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Finding the Fourth Proportional to 188,244.60, 282,401.88 and 61,891.92

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Solution

The fourth proportional to 188,244.60, 282,401.88 and 61,891.92 is: 92,849.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,244.60 : 282,401.88 = 61,891.92 : x
  2. Step 2: Convert to fraction form
    188,244.60/282,401.88 = 61,891.92/x
  3. Step 3: Cross multiply
    188,244.60x = 282,401.88 × 61,891.92
  4. Step 4: Simplify right side
    188,244.60x = 17,478,394,564.81
  5. Step 5: Solve for x
    x = 17,478,394,564.81/188,244.60
  6. Step 6: Final answer
    x = 92,849.38

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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.