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Finding the Fourth Proportional to 383,049.82, 574,613.61 and 146,591.38

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Solution

The fourth proportional to 383,049.82, 574,613.61 and 146,591.38 is: 219,901.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,049.82 : 574,613.61 = 146,591.38 : x
  2. Step 2: Convert to fraction form
    383,049.82/574,613.61 = 146,591.38/x
  3. Step 3: Cross multiply
    383,049.82x = 574,613.61 × 146,591.38
  4. Step 4: Simplify right side
    383,049.82x = 84,233,402,056.68
  5. Step 5: Solve for x
    x = 84,233,402,056.68/383,049.82
  6. Step 6: Final answer
    x = 219,901.95

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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.