Home / 216,279.10-324,452.37-103,938.38

Finding the Fourth Proportional to 216,279.10, 324,452.37 and 103,938.38

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Solution

The fourth proportional to 216,279.10, 324,452.37 and 103,938.38 is: 155,923.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,279.10 : 324,452.37 = 103,938.38 : x
  2. Step 2: Convert to fraction form
    216,279.10/324,452.37 = 103,938.38/x
  3. Step 3: Cross multiply
    216,279.10x = 324,452.37 × 103,938.38
  4. Step 4: Simplify right side
    216,279.10x = 33,723,053,724.96
  5. Step 5: Solve for x
    x = 33,723,053,724.96/216,279.10
  6. Step 6: Final answer
    x = 155,923.77

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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.