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Finding the Fourth Proportional to 254,419.38, 381,804.04 and 88,207.38

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Solution

The fourth proportional to 254,419.38, 381,804.04 and 88,207.38 is: 132,371.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,419.38 : 381,804.04 = 88,207.38 : x
  2. Step 2: Convert to fraction form
    254,419.38/381,804.04 = 88,207.38/x
  3. Step 3: Cross multiply
    254,419.38x = 381,804.04 × 88,207.38
  4. Step 4: Simplify right side
    254,419.38x = 33,677,934,041.82
  5. Step 5: Solve for x
    x = 33,677,934,041.82/254,419.38
  6. Step 6: Final answer
    x = 132,371.73

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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.