Home / 397,540.80-596,311.20-148,190.40

Finding the Fourth Proportional to 397,540.80, 596,311.20 and 148,190.40

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Solution

The fourth proportional to 397,540.80, 596,311.20 and 148,190.40 is: 222,285.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,540.80 : 596,311.20 = 148,190.40 : x
  2. Step 2: Convert to fraction form
    397,540.80/596,311.20 = 148,190.40/x
  3. Step 3: Cross multiply
    397,540.80x = 596,311.20 × 148,190.40
  4. Step 4: Simplify right side
    397,540.80x = 88,367,595,252.48
  5. Step 5: Solve for x
    x = 88,367,595,252.48/397,540.80
  6. Step 6: Final answer
    x = 222,285.60

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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.