Home / 436,815.28-655,222.32-137,322.04

Finding the Fourth Proportional to 436,815.28, 655,222.32 and 137,322.04

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Solution

The fourth proportional to 436,815.28, 655,222.32 and 137,322.04 is: 205,982.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,815.28 : 655,222.32 = 137,322.04 : x
  2. Step 2: Convert to fraction form
    436,815.28/655,222.32 = 137,322.04/x
  3. Step 3: Cross multiply
    436,815.28x = 655,222.32 × 137,322.04
  4. Step 4: Simplify right side
    436,815.28x = 89,976,465,635.93
  5. Step 5: Solve for x
    x = 89,976,465,635.93/436,815.28
  6. Step 6: Final answer
    x = 205,982.87

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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.