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Finding the Fourth Proportional to 188,001.20, 282,001.80 and 146,010.80

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Solution

The fourth proportional to 188,001.20, 282,001.80 and 146,010.80 is: 219,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,001.20 : 282,001.80 = 146,010.80 : x
  2. Step 2: Convert to fraction form
    188,001.20/282,001.80 = 146,010.80/x
  3. Step 3: Cross multiply
    188,001.20x = 282,001.80 × 146,010.80
  4. Step 4: Simplify right side
    188,001.20x = 41,175,308,419.44
  5. Step 5: Solve for x
    x = 41,175,308,419.44/188,001.20
  6. Step 6: Final answer
    x = 219,016.20

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1.5x scale

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.