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Finding the Fourth Proportional to 188,609.80, 282,906.60 and 63,950.80

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Solution

The fourth proportional to 188,609.80, 282,906.60 and 63,950.80 is: 95,923.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,609.80 : 282,906.60 = 63,950.80 : x
  2. Step 2: Convert to fraction form
    188,609.80/282,906.60 = 63,950.80/x
  3. Step 3: Cross multiply
    188,609.80x = 282,906.60 × 63,950.80
  4. Step 4: Simplify right side
    188,609.80x = 18,092,103,395.28
  5. Step 5: Solve for x
    x = 18,092,103,395.28/188,609.80
  6. Step 6: Final answer
    x = 95,923.45

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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.