Home / 466,278.27-699,417.36-129,318.92

Finding the Fourth Proportional to 466,278.27, 699,417.36 and 129,318.92

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Solution

The fourth proportional to 466,278.27, 699,417.36 and 129,318.92 is: 193,978.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,278.27 : 699,417.36 = 129,318.92 : x
  2. Step 2: Convert to fraction form
    466,278.27/699,417.36 = 129,318.92/x
  3. Step 3: Cross multiply
    466,278.27x = 699,417.36 × 129,318.92
  4. Step 4: Simplify right side
    466,278.27x = 90,447,897,624.45
  5. Step 5: Solve for x
    x = 90,447,897,624.45/466,278.27
  6. Step 6: Final answer
    x = 193,978.37

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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.