Home / 654,689.17-982,031.12-181,372.96

Finding the Fourth Proportional to 654,689.17, 982,031.12 and 181,372.96

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Solution

The fourth proportional to 654,689.17, 982,031.12 and 181,372.96 is: 272,058.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,689.17 : 982,031.12 = 181,372.96 : x
  2. Step 2: Convert to fraction form
    654,689.17/982,031.12 = 181,372.96/x
  3. Step 3: Cross multiply
    654,689.17x = 982,031.12 × 181,372.96
  4. Step 4: Simplify right side
    654,689.17x = 178,113,891,046.52
  5. Step 5: Solve for x
    x = 178,113,891,046.52/654,689.17
  6. Step 6: Final answer
    x = 272,058.71

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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.