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Finding the Fourth Proportional to 247,587, 371,407.25 and 79,048.27

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Solution

The fourth proportional to 247,587, 371,407.25 and 79,048.27 is: 118,580.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,587 : 371,407.25 = 79,048.27 : x
  2. Step 2: Convert to fraction form
    247,587/371,407.25 = 79,048.27/x
  3. Step 3: Cross multiply
    247,587x = 371,407.25 × 79,048.27
  4. Step 4: Simplify right side
    247,587x = 29,359,100,577.96
  5. Step 5: Solve for x
    x = 29,359,100,577.96/247,587
  6. Step 6: Final answer
    x = 118,580.95

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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.