Home / 279,862.24-386,205.62-157,354.73

Finding the Fourth Proportional to 279,862.24, 386,205.62 and 157,354.73

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Solution

The fourth proportional to 279,862.24, 386,205.62 and 157,354.73 is: 217,147.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,862.24 : 386,205.62 = 157,354.73 : x
  2. Step 2: Convert to fraction form
    279,862.24/386,205.62 = 157,354.73/x
  3. Step 3: Cross multiply
    279,862.24x = 386,205.62 × 157,354.73
  4. Step 4: Simplify right side
    279,862.24x = 60,771,281,238.32
  5. Step 5: Solve for x
    x = 60,771,281,238.32/279,862.24
  6. Step 6: Final answer
    x = 217,147.13

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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.