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Finding the Fourth Proportional to 254,448.30, 381,672.45 and 88,236.30

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Solution

The fourth proportional to 254,448.30, 381,672.45 and 88,236.30 is: 132,354.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,448.30 : 381,672.45 = 88,236.30 : x
  2. Step 2: Convert to fraction form
    254,448.30/381,672.45 = 88,236.30/x
  3. Step 3: Cross multiply
    254,448.30x = 381,672.45 × 88,236.30
  4. Step 4: Simplify right side
    254,448.30x = 33,677,364,799.94
  5. Step 5: Solve for x
    x = 33,677,364,799.94/254,448.30
  6. Step 6: Final answer
    x = 132,354.45

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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.