Home / 439,301.88-658,702.98-172,917.96

Finding the Fourth Proportional to 439,301.88, 658,702.98 and 172,917.96

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Solution

The fourth proportional to 439,301.88, 658,702.98 and 172,917.96 is: 259,278.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,301.88 : 658,702.98 = 172,917.96 : x
  2. Step 2: Convert to fraction form
    439,301.88/658,702.98 = 172,917.96/x
  3. Step 3: Cross multiply
    439,301.88x = 658,702.98 × 172,917.96
  4. Step 4: Simplify right side
    439,301.88x = 113,901,575,547.52
  5. Step 5: Solve for x
    x = 113,901,575,547.52/439,301.88
  6. Step 6: Final answer
    x = 259,278.60

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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.