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Finding the Fourth Proportional to 234,368.48, 351,553.14 and 84,714.42

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Solution

The fourth proportional to 234,368.48, 351,553.14 and 84,714.42 is: 127,071.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,368.48 : 351,553.14 = 84,714.42 : x
  2. Step 2: Convert to fraction form
    234,368.48/351,553.14 = 84,714.42/x
  3. Step 3: Cross multiply
    234,368.48x = 351,553.14 × 84,714.42
  4. Step 4: Simplify right side
    234,368.48x = 29,781,620,354.28
  5. Step 5: Solve for x
    x = 29,781,620,354.28/234,368.48
  6. Step 6: Final answer
    x = 127,071.78

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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.