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Finding the Fourth Proportional to 188,118.75, 282,270.38 and 88,287.06

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Solution

The fourth proportional to 188,118.75, 282,270.38 and 88,287.06 is: 132,473.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,118.75 : 282,270.38 = 88,287.06 : x
  2. Step 2: Convert to fraction form
    188,118.75/282,270.38 = 88,287.06/x
  3. Step 3: Cross multiply
    188,118.75x = 282,270.38 × 88,287.06
  4. Step 4: Simplify right side
    188,118.75x = 24,920,821,975.28
  5. Step 5: Solve for x
    x = 24,920,821,975.28/188,118.75
  6. Step 6: Final answer
    x = 132,473.89

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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.