Home / 329,724.62-494,328.56-130,194.36

Finding the Fourth Proportional to 329,724.62, 494,328.56 and 130,194.36

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Solution

The fourth proportional to 329,724.62, 494,328.56 and 130,194.36 is: 195,189.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,724.62 : 494,328.56 = 130,194.36 : x
  2. Step 2: Convert to fraction form
    329,724.62/494,328.56 = 130,194.36/x
  3. Step 3: Cross multiply
    329,724.62x = 494,328.56 × 130,194.36
  4. Step 4: Simplify right side
    329,724.62x = 64,358,789,152.80
  5. Step 5: Solve for x
    x = 64,358,789,152.80/329,724.62
  6. Step 6: Final answer
    x = 195,189.52

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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.