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Finding the Fourth Proportional to 247,598.82, 371,394 and 79,117.92

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Solution

The fourth proportional to 247,598.82, 371,394 and 79,117.92 is: 118,675.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,598.82 : 371,394 = 79,117.92 : x
  2. Step 2: Convert to fraction form
    247,598.82/371,394 = 79,117.92/x
  3. Step 3: Cross multiply
    247,598.82x = 371,394 × 79,117.92
  4. Step 4: Simplify right side
    247,598.82x = 29,383,920,780.48
  5. Step 5: Solve for x
    x = 29,383,920,780.48/247,598.82
  6. Step 6: Final answer
    x = 118,675.53

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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.