Home / 261,922.80-393,467.40-251,295.60

Finding the Fourth Proportional to 261,922.80, 393,467.40 and 251,295.60

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Solution

The fourth proportional to 261,922.80, 393,467.40 and 251,295.60 is: 377,502.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,922.80 : 393,467.40 = 251,295.60 : x
  2. Step 2: Convert to fraction form
    261,922.80/393,467.40 = 251,295.60/x
  3. Step 3: Cross multiply
    261,922.80x = 393,467.40 × 251,295.60
  4. Step 4: Simplify right side
    261,922.80x = 98,876,626,363.44
  5. Step 5: Solve for x
    x = 98,876,626,363.44/261,922.80
  6. Step 6: Final answer
    x = 377,502.94

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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.