Home / 288,949.30-433,132.35-131,290.90

Finding the Fourth Proportional to 288,949.30, 433,132.35 and 131,290.90

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Solution

The fourth proportional to 288,949.30, 433,132.35 and 131,290.90 is: 196,803.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,949.30 : 433,132.35 = 131,290.90 : x
  2. Step 2: Convert to fraction form
    288,949.30/433,132.35 = 131,290.90/x
  3. Step 3: Cross multiply
    288,949.30x = 433,132.35 × 131,290.90
  4. Step 4: Simplify right side
    288,949.30x = 56,866,336,050.62
  5. Step 5: Solve for x
    x = 56,866,336,050.62/288,949.30
  6. Step 6: Final answer
    x = 196,803.85

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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.