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Finding the Fourth Proportional to 254,315.88, 381,394.44 and 88,065

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Solution

The fourth proportional to 254,315.88, 381,394.44 and 88,065 is: 132,070.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,315.88 : 381,394.44 = 88,065 : x
  2. Step 2: Convert to fraction form
    254,315.88/381,394.44 = 88,065/x
  3. Step 3: Cross multiply
    254,315.88x = 381,394.44 × 88,065
  4. Step 4: Simplify right side
    254,315.88x = 33,587,501,358.60
  5. Step 5: Solve for x
    x = 33,587,501,358.60/254,315.88
  6. Step 6: Final answer
    x = 132,070.01

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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.