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Finding the Fourth Proportional to 511,731.24, 767,217.76 and 245,238

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Solution

The fourth proportional to 511,731.24, 767,217.76 and 245,238 is: 367,675.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,731.24 : 767,217.76 = 245,238 : x
  2. Step 2: Convert to fraction form
    511,731.24/767,217.76 = 245,238/x
  3. Step 3: Cross multiply
    511,731.24x = 767,217.76 × 245,238
  4. Step 4: Simplify right side
    511,731.24x = 188,150,949,026.88
  5. Step 5: Solve for x
    x = 188,150,949,026.88/511,731.24
  6. Step 6: Final answer
    x = 367,675.32

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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.