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Finding the Fourth Proportional to 288,021.53, 432,105.24 and 88,352.12

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Solution

The fourth proportional to 288,021.53, 432,105.24 and 88,352.12 is: 132,550.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,021.53 : 432,105.24 = 88,352.12 : x
  2. Step 2: Convert to fraction form
    288,021.53/432,105.24 = 88,352.12/x
  3. Step 3: Cross multiply
    288,021.53x = 432,105.24 × 88,352.12
  4. Step 4: Simplify right side
    288,021.53x = 38,177,414,017.11
  5. Step 5: Solve for x
    x = 38,177,414,017.11/288,021.53
  6. Step 6: Final answer
    x = 132,550.56

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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.