Home / 202,449.07-303,642.47-67,515.50

Finding the Fourth Proportional to 202,449.07, 303,642.47 and 67,515.50

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Solution

The fourth proportional to 202,449.07, 303,642.47 and 67,515.50 is: 101,262.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,449.07 : 303,642.47 = 67,515.50 : x
  2. Step 2: Convert to fraction form
    202,449.07/303,642.47 = 67,515.50/x
  3. Step 3: Cross multiply
    202,449.07x = 303,642.47 × 67,515.50
  4. Step 4: Simplify right side
    202,449.07x = 20,500,573,183.29
  5. Step 5: Solve for x
    x = 20,500,573,183.29/202,449.07
  6. Step 6: Final answer
    x = 101,262.87

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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.