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Finding the Fourth Proportional to 188,021.84, 282,033.72 and 63,363.92

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Solution

The fourth proportional to 188,021.84, 282,033.72 and 63,363.92 is: 95,046.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,021.84 : 282,033.72 = 63,363.92 : x
  2. Step 2: Convert to fraction form
    188,021.84/282,033.72 = 63,363.92/x
  3. Step 3: Cross multiply
    188,021.84x = 282,033.72 × 63,363.92
  4. Step 4: Simplify right side
    188,021.84x = 17,870,762,071.38
  5. Step 5: Solve for x
    x = 17,870,762,071.38/188,021.84
  6. Step 6: Final answer
    x = 95,046.20

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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.