Home / 445,034.31-667,592.50-145,516.42

Finding the Fourth Proportional to 445,034.31, 667,592.50 and 145,516.42

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Solution

The fourth proportional to 445,034.31, 667,592.50 and 145,516.42 is: 218,288.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,034.31 : 667,592.50 = 145,516.42 : x
  2. Step 2: Convert to fraction form
    445,034.31/667,592.50 = 145,516.42/x
  3. Step 3: Cross multiply
    445,034.31x = 667,592.50 × 145,516.42
  4. Step 4: Simplify right side
    445,034.31x = 97,145,670,618.85
  5. Step 5: Solve for x
    x = 97,145,670,618.85/445,034.31
  6. Step 6: Final answer
    x = 218,288.05

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1.5x scale

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.