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Finding the Fourth Proportional to 269,938.40, 404,324.40 and 223,282.40

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Solution

The fourth proportional to 269,938.40, 404,324.40 and 223,282.40 is: 334,441.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,938.40 : 404,324.40 = 223,282.40 : x
  2. Step 2: Convert to fraction form
    269,938.40/404,324.40 = 223,282.40/x
  3. Step 3: Cross multiply
    269,938.40x = 404,324.40 × 223,282.40
  4. Step 4: Simplify right side
    269,938.40x = 90,278,522,410.56
  5. Step 5: Solve for x
    x = 90,278,522,410.56/269,938.40
  6. Step 6: Final answer
    x = 334,441.20

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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.