Home / 445,035.06-667,593.63-145,517.17

Finding the Fourth Proportional to 445,035.06, 667,593.63 and 145,517.17

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Solution

The fourth proportional to 445,035.06, 667,593.63 and 145,517.17 is: 218,289.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,035.06 : 667,593.63 = 145,517.17 : x
  2. Step 2: Convert to fraction form
    445,035.06/667,593.63 = 145,517.17/x
  3. Step 3: Cross multiply
    445,035.06x = 667,593.63 × 145,517.17
  4. Step 4: Simplify right side
    445,035.06x = 97,146,335,020.04
  5. Step 5: Solve for x
    x = 97,146,335,020.04/445,035.06
  6. Step 6: Final answer
    x = 218,289.18

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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.