Home / 546,227.78-819,341.67-172,279.94

Finding the Fourth Proportional to 546,227.78, 819,341.67 and 172,279.94

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Solution

The fourth proportional to 546,227.78, 819,341.67 and 172,279.94 is: 258,419.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,227.78 : 819,341.67 = 172,279.94 : x
  2. Step 2: Convert to fraction form
    546,227.78/819,341.67 = 172,279.94/x
  3. Step 3: Cross multiply
    546,227.78x = 819,341.67 × 172,279.94
  4. Step 4: Simplify right side
    546,227.78x = 141,156,133,747.10
  5. Step 5: Solve for x
    x = 141,156,133,747.10/546,227.78
  6. Step 6: Final answer
    x = 258,419.91

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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.