Home / 205,429.30-307,640.90-169,671.85

Finding the Fourth Proportional to 205,429.30, 307,640.90 and 169,671.85

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Solution

The fourth proportional to 205,429.30, 307,640.90 and 169,671.85 is: 254,092.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,429.30 : 307,640.90 = 169,671.85 : x
  2. Step 2: Convert to fraction form
    205,429.30/307,640.90 = 169,671.85/x
  3. Step 3: Cross multiply
    205,429.30x = 307,640.90 × 169,671.85
  4. Step 4: Simplify right side
    205,429.30x = 52,198,000,293.74
  5. Step 5: Solve for x
    x = 52,198,000,293.74/205,429.30
  6. Step 6: Final answer
    x = 254,092.29

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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.