Home / 210,242.43-315,456.03-110,379.42

Finding the Fourth Proportional to 210,242.43, 315,456.03 and 110,379.42

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Solution

The fourth proportional to 210,242.43, 315,456.03 and 110,379.42 is: 165,617.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,242.43 : 315,456.03 = 110,379.42 : x
  2. Step 2: Convert to fraction form
    210,242.43/315,456.03 = 110,379.42/x
  3. Step 3: Cross multiply
    210,242.43x = 315,456.03 × 110,379.42
  4. Step 4: Simplify right side
    210,242.43x = 34,819,853,626.90
  5. Step 5: Solve for x
    x = 34,819,853,626.90/210,242.43
  6. Step 6: Final answer
    x = 165,617.63

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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.