Home / 571,872.95-857,815.56-172,517.18

Finding the Fourth Proportional to 571,872.95, 857,815.56 and 172,517.18

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Solution

The fourth proportional to 571,872.95, 857,815.56 and 172,517.18 is: 258,777.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,872.95 : 857,815.56 = 172,517.18 : x
  2. Step 2: Convert to fraction form
    571,872.95/857,815.56 = 172,517.18/x
  3. Step 3: Cross multiply
    571,872.95x = 857,815.56 × 172,517.18
  4. Step 4: Simplify right side
    571,872.95x = 147,987,917,082.24
  5. Step 5: Solve for x
    x = 147,987,917,082.24/571,872.95
  6. Step 6: Final answer
    x = 258,777.62

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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.