Home / 440,691.91-661,133.03-137,080.28

Finding the Fourth Proportional to 440,691.91, 661,133.03 and 137,080.28

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Solution

The fourth proportional to 440,691.91, 661,133.03 and 137,080.28 is: 205,650.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,691.91 : 661,133.03 = 137,080.28 : x
  2. Step 2: Convert to fraction form
    440,691.91/661,133.03 = 137,080.28/x
  3. Step 3: Cross multiply
    440,691.91x = 661,133.03 × 137,080.28
  4. Step 4: Simplify right side
    440,691.91x = 90,628,302,351.13
  5. Step 5: Solve for x
    x = 90,628,302,351.13/440,691.91
  6. Step 6: Final answer
    x = 205,650.03

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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.