Home / 204,009.84-305,755.65-115,313.22

Finding the Fourth Proportional to 204,009.84, 305,755.65 and 115,313.22

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Solution

The fourth proportional to 204,009.84, 305,755.65 and 115,313.22 is: 172,823.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,009.84 : 305,755.65 = 115,313.22 : x
  2. Step 2: Convert to fraction form
    204,009.84/305,755.65 = 115,313.22/x
  3. Step 3: Cross multiply
    204,009.84x = 305,755.65 × 115,313.22
  4. Step 4: Simplify right side
    204,009.84x = 35,257,668,534.69
  5. Step 5: Solve for x
    x = 35,257,668,534.69/204,009.84
  6. Step 6: Final answer
    x = 172,823.37

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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.