Home / 445,034.43-667,592.69-145,516.55

Finding the Fourth Proportional to 445,034.43, 667,592.69 and 145,516.55

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Solution

The fourth proportional to 445,034.43, 667,592.69 and 145,516.55 is: 218,288.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,034.43 : 667,592.69 = 145,516.55 : x
  2. Step 2: Convert to fraction form
    445,034.43/667,592.69 = 145,516.55/x
  3. Step 3: Cross multiply
    445,034.43x = 667,592.69 × 145,516.55
  4. Step 4: Simplify right side
    445,034.43x = 97,145,780,988.47
  5. Step 5: Solve for x
    x = 97,145,780,988.47/445,034.43
  6. Step 6: Final answer
    x = 218,288.24

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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.