Home / 443,738.10-666,044.55-219,351.90

Finding the Fourth Proportional to 443,738.10, 666,044.55 and 219,351.90

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Solution

The fourth proportional to 443,738.10, 666,044.55 and 219,351.90 is: 329,244.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,738.10 : 666,044.55 = 219,351.90 : x
  2. Step 2: Convert to fraction form
    443,738.10/666,044.55 = 219,351.90/x
  3. Step 3: Cross multiply
    443,738.10x = 666,044.55 × 219,351.90
  4. Step 4: Simplify right side
    443,738.10x = 146,098,137,527.15
  5. Step 5: Solve for x
    x = 146,098,137,527.15/443,738.10
  6. Step 6: Final answer
    x = 329,244.07

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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.