Home / 239,832.50-331,012.17-143,042.56

Finding the Fourth Proportional to 239,832.50, 331,012.17 and 143,042.56

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Solution

The fourth proportional to 239,832.50, 331,012.17 and 143,042.56 is: 197,424.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,832.50 : 331,012.17 = 143,042.56 : x
  2. Step 2: Convert to fraction form
    239,832.50/331,012.17 = 143,042.56/x
  3. Step 3: Cross multiply
    239,832.50x = 331,012.17 × 143,042.56
  4. Step 4: Simplify right side
    239,832.50x = 47,348,827,360.42
  5. Step 5: Solve for x
    x = 47,348,827,360.42/239,832.50
  6. Step 6: Final answer
    x = 197,424.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.