Home / 394,545.12-544,319.28-251,279.52

Finding the Fourth Proportional to 394,545.12, 544,319.28 and 251,279.52

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Solution

The fourth proportional to 394,545.12, 544,319.28 and 251,279.52 is: 346,668.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,545.12 : 544,319.28 = 251,279.52 : x
  2. Step 2: Convert to fraction form
    394,545.12/544,319.28 = 251,279.52/x
  3. Step 3: Cross multiply
    394,545.12x = 544,319.28 × 251,279.52
  4. Step 4: Simplify right side
    394,545.12x = 136,776,287,405.15
  5. Step 5: Solve for x
    x = 136,776,287,405.15/394,545.12
  6. Step 6: Final answer
    x = 346,668.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.