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Finding the Fourth Proportional to 445,034.57, 667,551.75 and 295,566.68

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Solution

The fourth proportional to 445,034.57, 667,551.75 and 295,566.68 is: 443,349.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,034.57 : 667,551.75 = 295,566.68 : x
  2. Step 2: Convert to fraction form
    445,034.57/667,551.75 = 295,566.68/x
  3. Step 3: Cross multiply
    445,034.57x = 667,551.75 × 295,566.68
  4. Step 4: Simplify right side
    445,034.57x = 197,306,055,036.19
  5. Step 5: Solve for x
    x = 197,306,055,036.19/445,034.57
  6. Step 6: Final answer
    x = 443,349.96

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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.