Home / 631,261.81-946,896.32-210,536.47

Finding the Fourth Proportional to 631,261.81, 946,896.32 and 210,536.47

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Solution

The fourth proportional to 631,261.81, 946,896.32 and 210,536.47 is: 315,805.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,261.81 : 946,896.32 = 210,536.47 : x
  2. Step 2: Convert to fraction form
    631,261.81/946,896.32 = 210,536.47/x
  3. Step 3: Cross multiply
    631,261.81x = 946,896.32 × 210,536.47
  4. Step 4: Simplify right side
    631,261.81x = 199,356,208,668.79
  5. Step 5: Solve for x
    x = 199,356,208,668.79/631,261.81
  6. Step 6: Final answer
    x = 315,805.91

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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.