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Finding the Fourth Proportional to 340,377.96, 469,689.12 and 187,414.32

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Solution

The fourth proportional to 340,377.96, 469,689.12 and 187,414.32 is: 258,613.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,377.96 : 469,689.12 = 187,414.32 : x
  2. Step 2: Convert to fraction form
    340,377.96/469,689.12 = 187,414.32/x
  3. Step 3: Cross multiply
    340,377.96x = 469,689.12 × 187,414.32
  4. Step 4: Simplify right side
    340,377.96x = 88,026,467,036.20
  5. Step 5: Solve for x
    x = 88,026,467,036.20/340,377.96
  6. Step 6: Final answer
    x = 258,613.89

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1.5x scale

Why These Related Problems?

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