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Finding the Fourth Proportional to 234,278.42, 351,557.55 and 215,221.14

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Solution

The fourth proportional to 234,278.42, 351,557.55 and 215,221.14 is: 322,960.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,278.42 : 351,557.55 = 215,221.14 : x
  2. Step 2: Convert to fraction form
    234,278.42/351,557.55 = 215,221.14/x
  3. Step 3: Cross multiply
    234,278.42x = 351,557.55 × 215,221.14
  4. Step 4: Simplify right side
    234,278.42x = 75,662,616,686.61
  5. Step 5: Solve for x
    x = 75,662,616,686.61/234,278.42
  6. Step 6: Final answer
    x = 322,960.26

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.