Home / 331,270.47-496,642.46-144,150.75

Finding the Fourth Proportional to 331,270.47, 496,642.46 and 144,150.75

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Solution

The fourth proportional to 331,270.47, 496,642.46 and 144,150.75 is: 216,111.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,270.47 : 496,642.46 = 144,150.75 : x
  2. Step 2: Convert to fraction form
    331,270.47/496,642.46 = 144,150.75/x
  3. Step 3: Cross multiply
    331,270.47x = 496,642.46 × 144,150.75
  4. Step 4: Simplify right side
    331,270.47x = 71,591,382,370.09
  5. Step 5: Solve for x
    x = 71,591,382,370.09/331,270.47
  6. Step 6: Final answer
    x = 216,111.57

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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.