Home / 440,145.90-659,453.40-203,002.20

Finding the Fourth Proportional to 440,145.90, 659,453.40 and 203,002.20

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Solution

The fourth proportional to 440,145.90, 659,453.40 and 203,002.20 is: 304,150.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,145.90 : 659,453.40 = 203,002.20 : x
  2. Step 2: Convert to fraction form
    440,145.90/659,453.40 = 203,002.20/x
  3. Step 3: Cross multiply
    440,145.90x = 659,453.40 × 203,002.20
  4. Step 4: Simplify right side
    440,145.90x = 133,870,490,997.48
  5. Step 5: Solve for x
    x = 133,870,490,997.48/440,145.90
  6. Step 6: Final answer
    x = 304,150.26

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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.