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Finding the Fourth Proportional to 288,952.20, 433,420.20 and 131,180.40

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Solution

The fourth proportional to 288,952.20, 433,420.20 and 131,180.40 is: 196,766.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,952.20 : 433,420.20 = 131,180.40 : x
  2. Step 2: Convert to fraction form
    288,952.20/433,420.20 = 131,180.40/x
  3. Step 3: Cross multiply
    288,952.20x = 433,420.20 × 131,180.40
  4. Step 4: Simplify right side
    288,952.20x = 56,856,235,204.08
  5. Step 5: Solve for x
    x = 56,856,235,204.08/288,952.20
  6. Step 6: Final answer
    x = 196,766.92

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1.5x scale

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.