Home / 329,725.95-494,330.55-130,195.69

Finding the Fourth Proportional to 329,725.95, 494,330.55 and 130,195.69

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Solution

The fourth proportional to 329,725.95, 494,330.55 and 130,195.69 is: 195,191.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,725.95 : 494,330.55 = 130,195.69 : x
  2. Step 2: Convert to fraction form
    329,725.95/494,330.55 = 130,195.69/x
  3. Step 3: Cross multiply
    329,725.95x = 494,330.55 × 130,195.69
  4. Step 4: Simplify right side
    329,725.95x = 64,359,707,045.33
  5. Step 5: Solve for x
    x = 64,359,707,045.33/329,725.95
  6. Step 6: Final answer
    x = 195,191.51

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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.