Home / 251,554.12-377,331.17-172,428.46

Finding the Fourth Proportional to 251,554.12, 377,331.17 and 172,428.46

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Solution

The fourth proportional to 251,554.12, 377,331.17 and 172,428.46 is: 258,642.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,554.12 : 377,331.17 = 172,428.46 : x
  2. Step 2: Convert to fraction form
    251,554.12/377,331.17 = 172,428.46/x
  3. Step 3: Cross multiply
    251,554.12x = 377,331.17 × 172,428.46
  4. Step 4: Simplify right side
    251,554.12x = 65,062,632,553.10
  5. Step 5: Solve for x
    x = 65,062,632,553.10/251,554.12
  6. Step 6: Final answer
    x = 258,642.68

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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.