Home / 304,839.90-457,519.05-136,619.10

Finding the Fourth Proportional to 304,839.90, 457,519.05 and 136,619.10

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Solution

The fourth proportional to 304,839.90, 457,519.05 and 136,619.10 is: 205,044.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,839.90 : 457,519.05 = 136,619.10 : x
  2. Step 2: Convert to fraction form
    304,839.90/457,519.05 = 136,619.10/x
  3. Step 3: Cross multiply
    304,839.90x = 457,519.05 × 136,619.10
  4. Step 4: Simplify right side
    304,839.90x = 62,505,840,843.86
  5. Step 5: Solve for x
    x = 62,505,840,843.86/304,839.90
  6. Step 6: Final answer
    x = 205,044.81

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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.