Home / 287,724.54-397,061.55-166,937.73

Finding the Fourth Proportional to 287,724.54, 397,061.55 and 166,937.73

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Solution

The fourth proportional to 287,724.54, 397,061.55 and 166,937.73 is: 230,375.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,724.54 : 397,061.55 = 166,937.73 : x
  2. Step 2: Convert to fraction form
    287,724.54/397,061.55 = 166,937.73/x
  3. Step 3: Cross multiply
    287,724.54x = 397,061.55 × 166,937.73
  4. Step 4: Simplify right side
    287,724.54x = 66,284,553,827.28
  5. Step 5: Solve for x
    x = 66,284,553,827.28/287,724.54
  6. Step 6: Final answer
    x = 230,375.04

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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.