Home / 329,727.82-494,333.35-130,197.56

Finding the Fourth Proportional to 329,727.82, 494,333.35 and 130,197.56

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Solution

The fourth proportional to 329,727.82, 494,333.35 and 130,197.56 is: 195,194.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,727.82 : 494,333.35 = 130,197.56 : x
  2. Step 2: Convert to fraction form
    329,727.82/494,333.35 = 130,197.56/x
  3. Step 3: Cross multiply
    329,727.82x = 494,333.35 × 130,197.56
  4. Step 4: Simplify right side
    329,727.82x = 64,360,995,980.09
  5. Step 5: Solve for x
    x = 64,360,995,980.09/329,727.82
  6. Step 6: Final answer
    x = 195,194.32

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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.