Home / 247,627.20-371,440.80-60,638.70

Finding the Fourth Proportional to 247,627.20, 371,440.80 and 60,638.70

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Solution

The fourth proportional to 247,627.20, 371,440.80 and 60,638.70 is: 90,958.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,627.20 : 371,440.80 = 60,638.70 : x
  2. Step 2: Convert to fraction form
    247,627.20/371,440.80 = 60,638.70/x
  3. Step 3: Cross multiply
    247,627.20x = 371,440.80 × 60,638.70
  4. Step 4: Simplify right side
    247,627.20x = 22,523,687,238.96
  5. Step 5: Solve for x
    x = 22,523,687,238.96/247,627.20
  6. Step 6: Final answer
    x = 90,958.05

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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.