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Finding the Fourth Proportional to 279,411.26, 419,199.64 and 161,167.46

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Solution

The fourth proportional to 279,411.26, 419,199.64 and 161,167.46 is: 241,798.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,411.26 : 419,199.64 = 161,167.46 : x
  2. Step 2: Convert to fraction form
    279,411.26/419,199.64 = 161,167.46/x
  3. Step 3: Cross multiply
    279,411.26x = 419,199.64 × 161,167.46
  4. Step 4: Simplify right side
    279,411.26x = 67,561,341,211.71
  5. Step 5: Solve for x
    x = 67,561,341,211.71/279,411.26
  6. Step 6: Final answer
    x = 241,798.92

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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.