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Finding the Fourth Proportional to 188,253.60, 282,415.38 and 61,900.92

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Solution

The fourth proportional to 188,253.60, 282,415.38 and 61,900.92 is: 92,862.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,253.60 : 282,415.38 = 61,900.92 : x
  2. Step 2: Convert to fraction form
    188,253.60/282,415.38 = 61,900.92/x
  3. Step 3: Cross multiply
    188,253.60x = 282,415.38 × 61,900.92
  4. Step 4: Simplify right side
    188,253.60x = 17,481,771,844.15
  5. Step 5: Solve for x
    x = 17,481,771,844.15/188,253.60
  6. Step 6: Final answer
    x = 92,862.88

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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.