Home / 677,432.30-1,016,148.92-172,031.18

Finding the Fourth Proportional to 677,432.30, 1,016,148.92 and 172,031.18

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Solution

The fourth proportional to 677,432.30, 1,016,148.92 and 172,031.18 is: 258,046.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,432.30 : 1,016,148.92 = 172,031.18 : x
  2. Step 2: Convert to fraction form
    677,432.30/1,016,148.92 = 172,031.18/x
  3. Step 3: Cross multiply
    677,432.30x = 1,016,148.92 × 172,031.18
  4. Step 4: Simplify right side
    677,432.30x = 174,809,291,822.43
  5. Step 5: Solve for x
    x = 174,809,291,822.43/677,432.30
  6. Step 6: Final answer
    x = 258,046.88

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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.