Home / 205,571.47-308,377.73-55,814.17

Finding the Fourth Proportional to 205,571.47, 308,377.73 and 55,814.17

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Solution

The fourth proportional to 205,571.47, 308,377.73 and 55,814.17 is: 83,726.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,571.47 : 308,377.73 = 55,814.17 : x
  2. Step 2: Convert to fraction form
    205,571.47/308,377.73 = 55,814.17/x
  3. Step 3: Cross multiply
    205,571.47x = 308,377.73 × 55,814.17
  4. Step 4: Simplify right side
    205,571.47x = 17,211,847,046.43
  5. Step 5: Solve for x
    x = 17,211,847,046.43/205,571.47
  6. Step 6: Final answer
    x = 83,726.83

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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.