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Finding the Fourth Proportional to 288,108.54, 397,596.15 and 159,046.71

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Solution

The fourth proportional to 288,108.54, 397,596.15 and 159,046.71 is: 219,487.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,108.54 : 397,596.15 = 159,046.71 : x
  2. Step 2: Convert to fraction form
    288,108.54/397,596.15 = 159,046.71/x
  3. Step 3: Cross multiply
    288,108.54x = 397,596.15 × 159,046.71
  4. Step 4: Simplify right side
    288,108.54x = 63,236,359,168.55
  5. Step 5: Solve for x
    x = 63,236,359,168.55/288,108.54
  6. Step 6: Final answer
    x = 219,487.98

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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.