Home / 286,092.18-394,715.88-165,217.50

Finding the Fourth Proportional to 286,092.18, 394,715.88 and 165,217.50

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Solution

The fourth proportional to 286,092.18, 394,715.88 and 165,217.50 is: 227,947.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,092.18 : 394,715.88 = 165,217.50 : x
  2. Step 2: Convert to fraction form
    286,092.18/394,715.88 = 165,217.50/x
  3. Step 3: Cross multiply
    286,092.18x = 394,715.88 × 165,217.50
  4. Step 4: Simplify right side
    286,092.18x = 65,213,970,903.90
  5. Step 5: Solve for x
    x = 65,213,970,903.90/286,092.18
  6. Step 6: Final answer
    x = 227,947.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.