Home / 436,771.42-655,160.77-137,245.36

Finding the Fourth Proportional to 436,771.42, 655,160.77 and 137,245.36

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Solution

The fourth proportional to 436,771.42, 655,160.77 and 137,245.36 is: 205,869.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,771.42 : 655,160.77 = 137,245.36 : x
  2. Step 2: Convert to fraction form
    436,771.42/655,160.77 = 137,245.36/x
  3. Step 3: Cross multiply
    436,771.42x = 655,160.77 × 137,245.36
  4. Step 4: Simplify right side
    436,771.42x = 89,917,775,736.53
  5. Step 5: Solve for x
    x = 89,917,775,736.53/436,771.42
  6. Step 6: Final answer
    x = 205,869.18

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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.