Home / 272,135.33-408,204.29-82,597.34

Finding the Fourth Proportional to 272,135.33, 408,204.29 and 82,597.34

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Solution

The fourth proportional to 272,135.33, 408,204.29 and 82,597.34 is: 123,896.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,135.33 : 408,204.29 = 82,597.34 : x
  2. Step 2: Convert to fraction form
    272,135.33/408,204.29 = 82,597.34/x
  3. Step 3: Cross multiply
    272,135.33x = 408,204.29 × 82,597.34
  4. Step 4: Simplify right side
    272,135.33x = 33,716,588,530.59
  5. Step 5: Solve for x
    x = 33,716,588,530.59/272,135.33
  6. Step 6: Final answer
    x = 123,896.40

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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.