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Finding the Fourth Proportional to 288,758.80, 433,170.60 and 89,077.60

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Solution

The fourth proportional to 288,758.80, 433,170.60 and 89,077.60 is: 133,626.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,758.80 : 433,170.60 = 89,077.60 : x
  2. Step 2: Convert to fraction form
    288,758.80/433,170.60 = 89,077.60/x
  3. Step 3: Cross multiply
    288,758.80x = 433,170.60 × 89,077.60
  4. Step 4: Simplify right side
    288,758.80x = 38,585,797,438.56
  5. Step 5: Solve for x
    x = 38,585,797,438.56/288,758.80
  6. Step 6: Final answer
    x = 133,626.39

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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.