Home / 258,894.98-357,091.03-172,810.56

Finding the Fourth Proportional to 258,894.98, 357,091.03 and 172,810.56

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Solution

The fourth proportional to 258,894.98, 357,091.03 and 172,810.56 is: 238,355.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,894.98 : 357,091.03 = 172,810.56 : x
  2. Step 2: Convert to fraction form
    258,894.98/357,091.03 = 172,810.56/x
  3. Step 3: Cross multiply
    258,894.98x = 357,091.03 × 172,810.56
  4. Step 4: Simplify right side
    258,894.98x = 61,709,101,297.30
  5. Step 5: Solve for x
    x = 61,709,101,297.30/258,894.98
  6. Step 6: Final answer
    x = 238,355.73

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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.