Home / 259,116.26-388,674.39-148,230.50

Finding the Fourth Proportional to 259,116.26, 388,674.39 and 148,230.50

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Solution

The fourth proportional to 259,116.26, 388,674.39 and 148,230.50 is: 222,345.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,116.26 : 388,674.39 = 148,230.50 : x
  2. Step 2: Convert to fraction form
    259,116.26/388,674.39 = 148,230.50/x
  3. Step 3: Cross multiply
    259,116.26x = 388,674.39 × 148,230.50
  4. Step 4: Simplify right side
    259,116.26x = 57,613,399,166.90
  5. Step 5: Solve for x
    x = 57,613,399,166.90/259,116.26
  6. Step 6: Final answer
    x = 222,345.75

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Double scale
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Similar ratio
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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.