Home / 572,198.56-857,963.12-172,719.52

Finding the Fourth Proportional to 572,198.56, 857,963.12 and 172,719.52

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Solution

The fourth proportional to 572,198.56, 857,963.12 and 172,719.52 is: 258,978.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,198.56 : 857,963.12 = 172,719.52 : x
  2. Step 2: Convert to fraction form
    572,198.56/857,963.12 = 172,719.52/x
  3. Step 3: Cross multiply
    572,198.56x = 857,963.12 × 172,719.52
  4. Step 4: Simplify right side
    572,198.56x = 148,186,978,264.10
  5. Step 5: Solve for x
    x = 148,186,978,264.10/572,198.56
  6. Step 6: Final answer
    x = 258,978.24

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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.