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Finding the Fourth Proportional to 247,369.12, 341,208 and 156,630.52

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Solution

The fourth proportional to 247,369.12, 341,208 and 156,630.52 is: 216,047.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,369.12 : 341,208 = 156,630.52 : x
  2. Step 2: Convert to fraction form
    247,369.12/341,208 = 156,630.52/x
  3. Step 3: Cross multiply
    247,369.12x = 341,208 × 156,630.52
  4. Step 4: Simplify right side
    247,369.12x = 53,443,586,468.16
  5. Step 5: Solve for x
    x = 53,443,586,468.16/247,369.12
  6. Step 6: Final answer
    x = 216,047.93

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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.