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Finding the Fourth Proportional to 188,471.78, 282,742.69 and 62,120.89

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Solution

The fourth proportional to 188,471.78, 282,742.69 and 62,120.89 is: 93,192.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,471.78 : 282,742.69 = 62,120.89 : x
  2. Step 2: Convert to fraction form
    188,471.78/282,742.69 = 62,120.89/x
  3. Step 3: Cross multiply
    188,471.78x = 282,742.69 × 62,120.89
  4. Step 4: Simplify right side
    188,471.78x = 17,564,226,681.64
  5. Step 5: Solve for x
    x = 17,564,226,681.64/188,471.78
  6. Step 6: Final answer
    x = 93,192.88

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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.