Home / 631,257.42-946,888.68-157,941.48

Finding the Fourth Proportional to 631,257.42, 946,888.68 and 157,941.48

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Solution

The fourth proportional to 631,257.42, 946,888.68 and 157,941.48 is: 236,912.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,257.42 : 946,888.68 = 157,941.48 : x
  2. Step 2: Convert to fraction form
    631,257.42/946,888.68 = 157,941.48/x
  3. Step 3: Cross multiply
    631,257.42x = 946,888.68 × 157,941.48
  4. Step 4: Simplify right side
    631,257.42x = 149,552,999,514.45
  5. Step 5: Solve for x
    x = 149,552,999,514.45/631,257.42
  6. Step 6: Final answer
    x = 236,912.86

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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.