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Finding the Fourth Proportional to 295,618.34, 443,471.32 and 108,615.26

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Solution

The fourth proportional to 295,618.34, 443,471.32 and 108,615.26 is: 162,938.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,618.34 : 443,471.32 = 108,615.26 : x
  2. Step 2: Convert to fraction form
    295,618.34/443,471.32 = 108,615.26/x
  3. Step 3: Cross multiply
    295,618.34x = 443,471.32 × 108,615.26
  4. Step 4: Simplify right side
    295,618.34x = 48,167,752,724.34
  5. Step 5: Solve for x
    x = 48,167,752,724.34/295,618.34
  6. Step 6: Final answer
    x = 162,938.99

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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.