Home / 329,872.23-494,462.07-140,288.49

Finding the Fourth Proportional to 329,872.23, 494,462.07 and 140,288.49

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Solution

The fourth proportional to 329,872.23, 494,462.07 and 140,288.49 is: 210,285.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,872.23 : 494,462.07 = 140,288.49 : x
  2. Step 2: Convert to fraction form
    329,872.23/494,462.07 = 140,288.49/x
  3. Step 3: Cross multiply
    329,872.23x = 494,462.07 × 140,288.49
  4. Step 4: Simplify right side
    329,872.23x = 69,367,337,162.57
  5. Step 5: Solve for x
    x = 69,367,337,162.57/329,872.23
  6. Step 6: Final answer
    x = 210,285.47

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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.