Home / 436,913.93-655,394.24-137,417.85

Finding the Fourth Proportional to 436,913.93, 655,394.24 and 137,417.85

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Solution

The fourth proportional to 436,913.93, 655,394.24 and 137,417.85 is: 206,134.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,913.93 : 655,394.24 = 137,417.85 : x
  2. Step 2: Convert to fraction form
    436,913.93/655,394.24 = 137,417.85/x
  3. Step 3: Cross multiply
    436,913.93x = 655,394.24 × 137,417.85
  4. Step 4: Simplify right side
    436,913.93x = 90,062,867,363.18
  5. Step 5: Solve for x
    x = 90,062,867,363.18/436,913.93
  6. Step 6: Final answer
    x = 206,134.12

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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.