Home / 279,847.20-386,197.56-152,531.04

Finding the Fourth Proportional to 279,847.20, 386,197.56 and 152,531.04

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Solution

The fourth proportional to 279,847.20, 386,197.56 and 152,531.04 is: 210,497.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,847.20 : 386,197.56 = 152,531.04 : x
  2. Step 2: Convert to fraction form
    279,847.20/386,197.56 = 152,531.04/x
  3. Step 3: Cross multiply
    279,847.20x = 386,197.56 × 152,531.04
  4. Step 4: Simplify right side
    279,847.20x = 58,907,115,472.26
  5. Step 5: Solve for x
    x = 58,907,115,472.26/279,847.20
  6. Step 6: Final answer
    x = 210,497.43

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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.