Home / 491,456.13-737,184.50-136,470.19

Finding the Fourth Proportional to 491,456.13, 737,184.50 and 136,470.19

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Solution

The fourth proportional to 491,456.13, 737,184.50 and 136,470.19 is: 204,705.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,456.13 : 737,184.50 = 136,470.19 : x
  2. Step 2: Convert to fraction form
    491,456.13/737,184.50 = 136,470.19/x
  3. Step 3: Cross multiply
    491,456.13x = 737,184.50 × 136,470.19
  4. Step 4: Simplify right side
    491,456.13x = 100,603,706,254.74
  5. Step 5: Solve for x
    x = 100,603,706,254.74/491,456.13
  6. Step 6: Final answer
    x = 204,705.36

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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.