Home / 329,942.40-494,585.55-152,139.30

Finding the Fourth Proportional to 329,942.40, 494,585.55 and 152,139.30

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Solution

The fourth proportional to 329,942.40, 494,585.55 and 152,139.30 is: 228,057.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,942.40 : 494,585.55 = 152,139.30 : x
  2. Step 2: Convert to fraction form
    329,942.40/494,585.55 = 152,139.30/x
  3. Step 3: Cross multiply
    329,942.40x = 494,585.55 × 152,139.30
  4. Step 4: Simplify right side
    329,942.40x = 75,245,899,367.12
  5. Step 5: Solve for x
    x = 75,245,899,367.12/329,942.40
  6. Step 6: Final answer
    x = 228,057.68

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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.