Home / 329,836.32-494,446.68-130,158.36

Finding the Fourth Proportional to 329,836.32, 494,446.68 and 130,158.36

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Solution

The fourth proportional to 329,836.32, 494,446.68 and 130,158.36 is: 195,116.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,836.32 : 494,446.68 = 130,158.36 : x
  2. Step 2: Convert to fraction form
    329,836.32/494,446.68 = 130,158.36/x
  3. Step 3: Cross multiply
    329,836.32x = 494,446.68 × 130,158.36
  4. Step 4: Simplify right side
    329,836.32x = 64,356,368,976.24
  5. Step 5: Solve for x
    x = 64,356,368,976.24/329,836.32
  6. Step 6: Final answer
    x = 195,116.08

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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.