Home / 275,717.19-380,444.98-172,339.15

Finding the Fourth Proportional to 275,717.19, 380,444.98 and 172,339.15

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Solution

The fourth proportional to 275,717.19, 380,444.98 and 172,339.15 is: 237,800.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,717.19 : 380,444.98 = 172,339.15 : x
  2. Step 2: Convert to fraction form
    275,717.19/380,444.98 = 172,339.15/x
  3. Step 3: Cross multiply
    275,717.19x = 380,444.98 × 172,339.15
  4. Step 4: Simplify right side
    275,717.19x = 65,565,564,519.68
  5. Step 5: Solve for x
    x = 65,565,564,519.68/275,717.19
  6. Step 6: Final answer
    x = 237,800.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.