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Finding the Fourth Proportional to 188,228.33, 282,300.98 and 55,118.97

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Solution

The fourth proportional to 188,228.33, 282,300.98 and 55,118.97 is: 82,666.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,228.33 : 282,300.98 = 55,118.97 : x
  2. Step 2: Convert to fraction form
    188,228.33/282,300.98 = 55,118.97/x
  3. Step 3: Cross multiply
    188,228.33x = 282,300.98 × 55,118.97
  4. Step 4: Simplify right side
    188,228.33x = 15,560,137,560.49
  5. Step 5: Solve for x
    x = 15,560,137,560.49/188,228.33
  6. Step 6: Final answer
    x = 82,666.29

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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.