Home / 258,202.88-356,312.27-143,481.17

Finding the Fourth Proportional to 258,202.88, 356,312.27 and 143,481.17

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Solution

The fourth proportional to 258,202.88, 356,312.27 and 143,481.17 is: 197,999.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,202.88 : 356,312.27 = 143,481.17 : x
  2. Step 2: Convert to fraction form
    258,202.88/356,312.27 = 143,481.17/x
  3. Step 3: Cross multiply
    258,202.88x = 356,312.27 × 143,481.17
  4. Step 4: Simplify right side
    258,202.88x = 51,124,098,885.99
  5. Step 5: Solve for x
    x = 51,124,098,885.99/258,202.88
  6. Step 6: Final answer
    x = 197,999.73

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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.