Home / 240,262.68-331,563.06-138,294.48

Finding the Fourth Proportional to 240,262.68, 331,563.06 and 138,294.48

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Solution

The fourth proportional to 240,262.68, 331,563.06 and 138,294.48 is: 190,846.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,262.68 : 331,563.06 = 138,294.48 : x
  2. Step 2: Convert to fraction form
    240,262.68/331,563.06 = 138,294.48/x
  3. Step 3: Cross multiply
    240,262.68x = 331,563.06 × 138,294.48
  4. Step 4: Simplify right side
    240,262.68x = 45,853,340,969.91
  5. Step 5: Solve for x
    x = 45,853,340,969.91/240,262.68
  6. Step 6: Final answer
    x = 190,846.71

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1.5x scale

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.