Home / 260,285.11-359,190.91-145,562.44

Finding the Fourth Proportional to 260,285.11, 359,190.91 and 145,562.44

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Solution

The fourth proportional to 260,285.11, 359,190.91 and 145,562.44 is: 200,874.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,285.11 : 359,190.91 = 145,562.44 : x
  2. Step 2: Convert to fraction form
    260,285.11/359,190.91 = 145,562.44/x
  3. Step 3: Cross multiply
    260,285.11x = 359,190.91 × 145,562.44
  4. Step 4: Simplify right side
    260,285.11x = 52,284,705,285.42
  5. Step 5: Solve for x
    x = 52,284,705,285.42/260,285.11
  6. Step 6: Final answer
    x = 200,874.75

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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.