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Finding the Fourth Proportional to 260,593.52, 359,635 and 145,870

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Solution

The fourth proportional to 260,593.52, 359,635 and 145,870 is: 201,309.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,593.52 : 359,635 = 145,870 : x
  2. Step 2: Convert to fraction form
    260,593.52/359,635 = 145,870/x
  3. Step 3: Cross multiply
    260,593.52x = 359,635 × 145,870
  4. Step 4: Simplify right side
    260,593.52x = 52,459,957,450
  5. Step 5: Solve for x
    x = 52,459,957,450/260,593.52
  6. Step 6: Final answer
    x = 201,309.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.