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Finding the Fourth Proportional to 334,732.26, 502,098.12 and 85,414.26

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Solution

The fourth proportional to 334,732.26, 502,098.12 and 85,414.26 is: 128,121.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,732.26 : 502,098.12 = 85,414.26 : x
  2. Step 2: Convert to fraction form
    334,732.26/502,098.12 = 85,414.26/x
  3. Step 3: Cross multiply
    334,732.26x = 502,098.12 × 85,414.26
  4. Step 4: Simplify right side
    334,732.26x = 42,886,339,367.19
  5. Step 5: Solve for x
    x = 42,886,339,367.19/334,732.26
  6. Step 6: Final answer
    x = 128,121.32

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1.5x scale

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.