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Finding the Fourth Proportional to 260,235.16, 359,125.17 and 145,517.96

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Solution

The fourth proportional to 260,235.16, 359,125.17 and 145,517.96 is: 200,815.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,235.16 : 359,125.17 = 145,517.96 : x
  2. Step 2: Convert to fraction form
    260,235.16/359,125.17 = 145,517.96/x
  3. Step 3: Cross multiply
    260,235.16x = 359,125.17 × 145,517.96
  4. Step 4: Simplify right side
    260,235.16x = 52,259,162,123.05
  5. Step 5: Solve for x
    x = 52,259,162,123.05/260,235.16
  6. Step 6: Final answer
    x = 200,815.15

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1.5x scale

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.