Home / 631,262.42-946,896.18-157,946.48

Finding the Fourth Proportional to 631,262.42, 946,896.18 and 157,946.48

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Solution

The fourth proportional to 631,262.42, 946,896.18 and 157,946.48 is: 236,920.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,262.42 : 946,896.18 = 157,946.48 : x
  2. Step 2: Convert to fraction form
    631,262.42/946,896.18 = 157,946.48/x
  3. Step 3: Cross multiply
    631,262.42x = 946,896.18 × 157,946.48
  4. Step 4: Simplify right side
    631,262.42x = 149,558,918,556.45
  5. Step 5: Solve for x
    x = 149,558,918,556.45/631,262.42
  6. Step 6: Final answer
    x = 236,920.36

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.