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Finding the Fourth Proportional to 371,050.68, 511,807.86 and 234,942.78

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Solution

The fourth proportional to 371,050.68, 511,807.86 and 234,942.78 is: 324,067.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,050.68 : 511,807.86 = 234,942.78 : x
  2. Step 2: Convert to fraction form
    371,050.68/511,807.86 = 234,942.78/x
  3. Step 3: Cross multiply
    371,050.68x = 511,807.86 × 234,942.78
  4. Step 4: Simplify right side
    371,050.68x = 120,245,561,454.25
  5. Step 5: Solve for x
    x = 120,245,561,454.25/371,050.68
  6. Step 6: Final answer
    x = 324,067.76

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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.