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Finding the Fourth Proportional to 247,149.80, 370,724.70 and 167,834.60

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Solution

The fourth proportional to 247,149.80, 370,724.70 and 167,834.60 is: 251,751.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,149.80 : 370,724.70 = 167,834.60 : x
  2. Step 2: Convert to fraction form
    247,149.80/370,724.70 = 167,834.60/x
  3. Step 3: Cross multiply
    247,149.80x = 370,724.70 × 167,834.60
  4. Step 4: Simplify right side
    247,149.80x = 62,220,431,734.62
  5. Step 5: Solve for x
    x = 62,220,431,734.62/247,149.80
  6. Step 6: Final answer
    x = 251,751.90

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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.