Home / 329,733.78-494,585.22-137,528.84

Finding the Fourth Proportional to 329,733.78, 494,585.22 and 137,528.84

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Solution

The fourth proportional to 329,733.78, 494,585.22 and 137,528.84 is: 206,286.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,733.78 : 494,585.22 = 137,528.84 : x
  2. Step 2: Convert to fraction form
    329,733.78/494,585.22 = 137,528.84/x
  3. Step 3: Cross multiply
    329,733.78x = 494,585.22 × 137,528.84
  4. Step 4: Simplify right side
    329,733.78x = 68,019,731,587.74
  5. Step 5: Solve for x
    x = 68,019,731,587.74/329,733.78
  6. Step 6: Final answer
    x = 206,286.82

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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.