Home / 253,481.57-349,845.31-144,621.42

Finding the Fourth Proportional to 253,481.57, 349,845.31 and 144,621.42

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Solution

The fourth proportional to 253,481.57, 349,845.31 and 144,621.42 is: 199,600.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,481.57 : 349,845.31 = 144,621.42 : x
  2. Step 2: Convert to fraction form
    253,481.57/349,845.31 = 144,621.42/x
  3. Step 3: Cross multiply
    253,481.57x = 349,845.31 × 144,621.42
  4. Step 4: Simplify right side
    253,481.57x = 50,595,125,150.99
  5. Step 5: Solve for x
    x = 50,595,125,150.99/253,481.57
  6. Step 6: Final answer
    x = 199,600.80

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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.