Home / 440,131.20-660,442.04-237,723.21

Finding the Fourth Proportional to 440,131.20, 660,442.04 and 237,723.21

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Solution

The fourth proportional to 440,131.20, 660,442.04 and 237,723.21 is: 356,717.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,131.20 : 660,442.04 = 237,723.21 : x
  2. Step 2: Convert to fraction form
    440,131.20/660,442.04 = 237,723.21/x
  3. Step 3: Cross multiply
    440,131.20x = 660,442.04 × 237,723.21
  4. Step 4: Simplify right side
    440,131.20x = 157,002,400,579.13
  5. Step 5: Solve for x
    x = 157,002,400,579.13/440,131.20
  6. Step 6: Final answer
    x = 356,717.27

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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.