Home / 288,982.20-433,540.98-120,612.60

Finding the Fourth Proportional to 288,982.20, 433,540.98 and 120,612.60

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Solution

The fourth proportional to 288,982.20, 433,540.98 and 120,612.60 is: 180,947.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,982.20 : 433,540.98 = 120,612.60 : x
  2. Step 2: Convert to fraction form
    288,982.20/433,540.98 = 120,612.60/x
  3. Step 3: Cross multiply
    288,982.20x = 433,540.98 × 120,612.60
  4. Step 4: Simplify right side
    288,982.20x = 52,290,504,804.35
  5. Step 5: Solve for x
    x = 52,290,504,804.35/288,982.20
  6. Step 6: Final answer
    x = 180,947.15

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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.