Home / 371,727.88-557,872.24-172,188.26

Finding the Fourth Proportional to 371,727.88, 557,872.24 and 172,188.26

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Solution

The fourth proportional to 371,727.88, 557,872.24 and 172,188.26 is: 258,412.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,727.88 : 557,872.24 = 172,188.26 : x
  2. Step 2: Convert to fraction form
    371,727.88/557,872.24 = 172,188.26/x
  3. Step 3: Cross multiply
    371,727.88x = 557,872.24 × 172,188.26
  4. Step 4: Simplify right side
    371,727.88x = 96,059,050,307.90
  5. Step 5: Solve for x
    x = 96,059,050,307.90/371,727.88
  6. Step 6: Final answer
    x = 258,412.28

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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.