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Finding the Fourth Proportional to 188,479.56, 282,715.46 and 62,127.39

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Solution

The fourth proportional to 188,479.56, 282,715.46 and 62,127.39 is: 93,189.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,479.56 : 282,715.46 = 62,127.39 : x
  2. Step 2: Convert to fraction form
    188,479.56/282,715.46 = 62,127.39/x
  3. Step 3: Cross multiply
    188,479.56x = 282,715.46 × 62,127.39
  4. Step 4: Simplify right side
    188,479.56x = 17,564,374,624.97
  5. Step 5: Solve for x
    x = 17,564,374,624.97/188,479.56
  6. Step 6: Final answer
    x = 93,189.81

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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.