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Finding the Fourth Proportional to 415,079.24, 572,770.50 and 245,280.92

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Solution

The fourth proportional to 415,079.24, 572,770.50 and 245,280.92 is: 338,464.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,079.24 : 572,770.50 = 245,280.92 : x
  2. Step 2: Convert to fraction form
    415,079.24/572,770.50 = 245,280.92/x
  3. Step 3: Cross multiply
    415,079.24x = 572,770.50 × 245,280.92
  4. Step 4: Simplify right side
    415,079.24x = 140,489,675,188.86
  5. Step 5: Solve for x
    x = 140,489,675,188.86/415,079.24
  6. Step 6: Final answer
    x = 338,464.71

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.