Home / 508,291.11-762,423.69-134,317.35

Finding the Fourth Proportional to 508,291.11, 762,423.69 and 134,317.35

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Solution

The fourth proportional to 508,291.11, 762,423.69 and 134,317.35 is: 201,472.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,291.11 : 762,423.69 = 134,317.35 : x
  2. Step 2: Convert to fraction form
    508,291.11/762,423.69 = 134,317.35/x
  3. Step 3: Cross multiply
    508,291.11x = 762,423.69 × 134,317.35
  4. Step 4: Simplify right side
    508,291.11x = 102,406,729,618.02
  5. Step 5: Solve for x
    x = 102,406,729,618.02/508,291.11
  6. Step 6: Final answer
    x = 201,472.60

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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.