Home / 331,275.42-457,165.62-188,039.88

Finding the Fourth Proportional to 331,275.42, 457,165.62 and 188,039.88

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Solution

The fourth proportional to 331,275.42, 457,165.62 and 188,039.88 is: 259,498.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,275.42 : 457,165.62 = 188,039.88 : x
  2. Step 2: Convert to fraction form
    331,275.42/457,165.62 = 188,039.88/x
  3. Step 3: Cross multiply
    331,275.42x = 457,165.62 × 188,039.88
  4. Step 4: Simplify right side
    331,275.42x = 85,965,368,324.93
  5. Step 5: Solve for x
    x = 85,965,368,324.93/331,275.42
  6. Step 6: Final answer
    x = 259,498.18

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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.