Home / 508,030.29-762,047.98-128,951.14

Finding the Fourth Proportional to 508,030.29, 762,047.98 and 128,951.14

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Solution

The fourth proportional to 508,030.29, 762,047.98 and 128,951.14 is: 193,427.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,030.29 : 762,047.98 = 128,951.14 : x
  2. Step 2: Convert to fraction form
    508,030.29/762,047.98 = 128,951.14/x
  3. Step 3: Cross multiply
    508,030.29x = 762,047.98 × 128,951.14
  4. Step 4: Simplify right side
    508,030.29x = 98,266,955,755.70
  5. Step 5: Solve for x
    x = 98,266,955,755.70/508,030.29
  6. Step 6: Final answer
    x = 193,427.36

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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.