Home / 394,530.60-591,504.30-217,237.80

Finding the Fourth Proportional to 394,530.60, 591,504.30 and 217,237.80

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Solution

The fourth proportional to 394,530.60, 591,504.30 and 217,237.80 is: 325,696.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,530.60 : 591,504.30 = 217,237.80 : x
  2. Step 2: Convert to fraction form
    394,530.60/591,504.30 = 217,237.80/x
  3. Step 3: Cross multiply
    394,530.60x = 591,504.30 × 217,237.80
  4. Step 4: Simplify right side
    394,530.60x = 128,497,092,822.54
  5. Step 5: Solve for x
    x = 128,497,092,822.54/394,530.60
  6. Step 6: Final answer
    x = 325,696.14

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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.