Home / 329,839.32-494,451.18-130,161.36

Finding the Fourth Proportional to 329,839.32, 494,451.18 and 130,161.36

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Solution

The fourth proportional to 329,839.32, 494,451.18 and 130,161.36 is: 195,120.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,839.32 : 494,451.18 = 130,161.36 : x
  2. Step 2: Convert to fraction form
    329,839.32/494,451.18 = 130,161.36/x
  3. Step 3: Cross multiply
    329,839.32x = 494,451.18 × 130,161.36
  4. Step 4: Simplify right side
    329,839.32x = 64,358,438,042.40
  5. Step 5: Solve for x
    x = 64,358,438,042.40/329,839.32
  6. Step 6: Final answer
    x = 195,120.58

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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.