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Finding the Fourth Proportional to 288,944.70, 433,418.40 and 101,956.20

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Solution

The fourth proportional to 288,944.70, 433,418.40 and 101,956.20 is: 152,934.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,944.70 : 433,418.40 = 101,956.20 : x
  2. Step 2: Convert to fraction form
    288,944.70/433,418.40 = 101,956.20/x
  3. Step 3: Cross multiply
    288,944.70x = 433,418.40 × 101,956.20
  4. Step 4: Simplify right side
    288,944.70x = 44,189,693,074.08
  5. Step 5: Solve for x
    x = 44,189,693,074.08/288,944.70
  6. Step 6: Final answer
    x = 152,934.78

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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.