Home / 371,083.13-511,778.26-285,250.06

Finding the Fourth Proportional to 371,083.13, 511,778.26 and 285,250.06

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Solution

The fourth proportional to 371,083.13, 511,778.26 and 285,250.06 is: 393,401.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,083.13 : 511,778.26 = 285,250.06 : x
  2. Step 2: Convert to fraction form
    371,083.13/511,778.26 = 285,250.06/x
  3. Step 3: Cross multiply
    371,083.13x = 511,778.26 × 285,250.06
  4. Step 4: Simplify right side
    371,083.13x = 145,984,781,005.09
  5. Step 5: Solve for x
    x = 145,984,781,005.09/371,083.13
  6. Step 6: Final answer
    x = 393,401.82

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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.