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Finding the Fourth Proportional to 288,190.27, 397,787.03 and 167,385.85

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Solution

The fourth proportional to 288,190.27, 397,787.03 and 167,385.85 is: 231,041.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,190.27 : 397,787.03 = 167,385.85 : x
  2. Step 2: Convert to fraction form
    288,190.27/397,787.03 = 167,385.85/x
  3. Step 3: Cross multiply
    288,190.27x = 397,787.03 × 167,385.85
  4. Step 4: Simplify right side
    288,190.27x = 66,583,920,135.53
  5. Step 5: Solve for x
    x = 66,583,920,135.53/288,190.27
  6. Step 6: Final answer
    x = 231,041.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.