Home / 371,729.13-557,874.11-172,189.51

Finding the Fourth Proportional to 371,729.13, 557,874.11 and 172,189.51

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Solution

The fourth proportional to 371,729.13, 557,874.11 and 172,189.51 is: 258,414.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,729.13 : 557,874.11 = 172,189.51 : x
  2. Step 2: Convert to fraction form
    371,729.13/557,874.11 = 172,189.51/x
  3. Step 3: Cross multiply
    371,729.13x = 557,874.11 × 172,189.51
  4. Step 4: Simplify right side
    371,729.13x = 96,060,069,642.59
  5. Step 5: Solve for x
    x = 96,060,069,642.59/371,729.13
  6. Step 6: Final answer
    x = 258,414.16

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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.