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Finding the Fourth Proportional to 234,618.68, 323,697.66 and 132,634.28

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Solution

The fourth proportional to 234,618.68, 323,697.66 and 132,634.28 is: 182,992.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,618.68 : 323,697.66 = 132,634.28 : x
  2. Step 2: Convert to fraction form
    234,618.68/323,697.66 = 132,634.28/x
  3. Step 3: Cross multiply
    234,618.68x = 323,697.66 × 132,634.28
  4. Step 4: Simplify right side
    234,618.68x = 42,933,406,071.78
  5. Step 5: Solve for x
    x = 42,933,406,071.78/234,618.68
  6. Step 6: Final answer
    x = 182,992.28

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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.