Home / 439,083.48-658,477.62-172,774.20

Finding the Fourth Proportional to 439,083.48, 658,477.62 and 172,774.20

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Solution

The fourth proportional to 439,083.48, 658,477.62 and 172,774.20 is: 259,103.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,083.48 : 658,477.62 = 172,774.20 : x
  2. Step 2: Convert to fraction form
    439,083.48/658,477.62 = 172,774.20/x
  3. Step 3: Cross multiply
    439,083.48x = 658,477.62 × 172,774.20
  4. Step 4: Simplify right side
    439,083.48x = 113,767,944,013.40
  5. Step 5: Solve for x
    x = 113,767,944,013.40/439,083.48
  6. Step 6: Final answer
    x = 259,103.22

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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.