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Finding the Fourth Proportional to 371,982, 558,131.04 and 203,305.29

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Solution

The fourth proportional to 371,982, 558,131.04 and 203,305.29 is: 305,044.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,982 : 558,131.04 = 203,305.29 : x
  2. Step 2: Convert to fraction form
    371,982/558,131.04 = 203,305.29/x
  3. Step 3: Cross multiply
    371,982x = 558,131.04 × 203,305.29
  4. Step 4: Simplify right side
    371,982x = 113,470,992,945.20
  5. Step 5: Solve for x
    x = 113,470,992,945.20/371,982
  6. Step 6: Final answer
    x = 305,044.31

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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.