Home / 501,428.11-752,143.79-127,451.11

Finding the Fourth Proportional to 501,428.11, 752,143.79 and 127,451.11

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Solution

The fourth proportional to 501,428.11, 752,143.79 and 127,451.11 is: 191,177.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,428.11 : 752,143.79 = 127,451.11 : x
  2. Step 2: Convert to fraction form
    501,428.11/752,143.79 = 127,451.11/x
  3. Step 3: Cross multiply
    501,428.11x = 752,143.79 × 127,451.11
  4. Step 4: Simplify right side
    501,428.11x = 95,861,560,915.11
  5. Step 5: Solve for x
    x = 95,861,560,915.11/501,428.11
  6. Step 6: Final answer
    x = 191,177.08

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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.