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Finding the Fourth Proportional to 247,652.52, 371,365.38 and 79,140.12

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Solution

The fourth proportional to 247,652.52, 371,365.38 and 79,140.12 is: 118,673.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,652.52 : 371,365.38 = 79,140.12 : x
  2. Step 2: Convert to fraction form
    247,652.52/371,365.38 = 79,140.12/x
  3. Step 3: Cross multiply
    247,652.52x = 371,365.38 × 79,140.12
  4. Step 4: Simplify right side
    247,652.52x = 29,389,900,737.05
  5. Step 5: Solve for x
    x = 29,389,900,737.05/247,652.52
  6. Step 6: Final answer
    x = 118,673.94

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1.5x scale

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.