Home / 289,216.20-433,824.30-131,752.20

Finding the Fourth Proportional to 289,216.20, 433,824.30 and 131,752.20

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Solution

The fourth proportional to 289,216.20, 433,824.30 and 131,752.20 is: 197,628.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,216.20 : 433,824.30 = 131,752.20 : x
  2. Step 2: Convert to fraction form
    289,216.20/433,824.30 = 131,752.20/x
  3. Step 3: Cross multiply
    289,216.20x = 433,824.30 × 131,752.20
  4. Step 4: Simplify right side
    289,216.20x = 57,157,305,938.46
  5. Step 5: Solve for x
    x = 57,157,305,938.46/289,216.20
  6. Step 6: Final answer
    x = 197,628.30

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Similar ratio
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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.