Home / 263,318.75-363,382.51-142,462.64

Finding the Fourth Proportional to 263,318.75, 363,382.51 and 142,462.64

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Solution

The fourth proportional to 263,318.75, 363,382.51 and 142,462.64 is: 196,599.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,318.75 : 363,382.51 = 142,462.64 : x
  2. Step 2: Convert to fraction form
    263,318.75/363,382.51 = 142,462.64/x
  3. Step 3: Cross multiply
    263,318.75x = 363,382.51 × 142,462.64
  4. Step 4: Simplify right side
    263,318.75x = 51,768,431,704.43
  5. Step 5: Solve for x
    x = 51,768,431,704.43/263,318.75
  6. Step 6: Final answer
    x = 196,599.87

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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.