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Finding the Fourth Proportional to 254,448.32, 381,672.64 and 88,236.48

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Solution

The fourth proportional to 254,448.32, 381,672.64 and 88,236.48 is: 132,354.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,448.32 : 381,672.64 = 88,236.48 : x
  2. Step 2: Convert to fraction form
    254,448.32/381,672.64 = 88,236.48/x
  3. Step 3: Cross multiply
    254,448.32x = 381,672.64 × 88,236.48
  4. Step 4: Simplify right side
    254,448.32x = 33,677,450,265.91
  5. Step 5: Solve for x
    x = 33,677,450,265.91/254,448.32
  6. Step 6: Final answer
    x = 132,354.78

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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.