Home / 269,319.45-403,854.97-79,712.02

Finding the Fourth Proportional to 269,319.45, 403,854.97 and 79,712.02

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Solution

The fourth proportional to 269,319.45, 403,854.97 and 79,712.02 is: 119,531.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,319.45 : 403,854.97 = 79,712.02 : x
  2. Step 2: Convert to fraction form
    269,319.45/403,854.97 = 79,712.02/x
  3. Step 3: Cross multiply
    269,319.45x = 403,854.97 × 79,712.02
  4. Step 4: Simplify right side
    269,319.45x = 32,192,095,445.74
  5. Step 5: Solve for x
    x = 32,192,095,445.74/269,319.45
  6. Step 6: Final answer
    x = 119,531.27

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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.