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Finding the Fourth Proportional to 395,059.62, 592,647.78 and 114,540.42

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Solution

The fourth proportional to 395,059.62, 592,647.78 and 114,540.42 is: 171,827.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,059.62 : 592,647.78 = 114,540.42 : x
  2. Step 2: Convert to fraction form
    395,059.62/592,647.78 = 114,540.42/x
  3. Step 3: Cross multiply
    395,059.62x = 592,647.78 × 114,540.42
  4. Step 4: Simplify right side
    395,059.62x = 67,882,125,633.27
  5. Step 5: Solve for x
    x = 67,882,125,633.27/395,059.62
  6. Step 6: Final answer
    x = 171,827.55

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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.