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Finding the Fourth Proportional to 253,586.71, 379,776.32 and 146,745.44

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Solution

The fourth proportional to 253,586.71, 379,776.32 and 146,745.44 is: 219,768.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,586.71 : 379,776.32 = 146,745.44 : x
  2. Step 2: Convert to fraction form
    253,586.71/379,776.32 = 146,745.44/x
  3. Step 3: Cross multiply
    253,586.71x = 379,776.32 × 146,745.44
  4. Step 4: Simplify right side
    253,586.71x = 55,730,442,521.83
  5. Step 5: Solve for x
    x = 55,730,442,521.83/253,586.71
  6. Step 6: Final answer
    x = 219,768.78

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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.