Home / 491,384.48-737,080.85-136,426.18

Finding the Fourth Proportional to 491,384.48, 737,080.85 and 136,426.18

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Solution

The fourth proportional to 491,384.48, 737,080.85 and 136,426.18 is: 204,640.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,384.48 : 737,080.85 = 136,426.18 : x
  2. Step 2: Convert to fraction form
    491,384.48/737,080.85 = 136,426.18/x
  3. Step 3: Cross multiply
    491,384.48x = 737,080.85 × 136,426.18
  4. Step 4: Simplify right side
    491,384.48x = 100,557,124,716.65
  5. Step 5: Solve for x
    x = 100,557,124,716.65/491,384.48
  6. Step 6: Final answer
    x = 204,640.42

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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.