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Finding the Fourth Proportional to 254,607, 381,910.50 and 88,395

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Solution

The fourth proportional to 254,607, 381,910.50 and 88,395 is: 132,592.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,607 : 381,910.50 = 88,395 : x
  2. Step 2: Convert to fraction form
    254,607/381,910.50 = 88,395/x
  3. Step 3: Cross multiply
    254,607x = 381,910.50 × 88,395
  4. Step 4: Simplify right side
    254,607x = 33,758,978,647.50
  5. Step 5: Solve for x
    x = 33,758,978,647.50/254,607
  6. Step 6: Final answer
    x = 132,592.50

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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.