Home / 229,074.87-342,971.19-172,738.66

Finding the Fourth Proportional to 229,074.87, 342,971.19 and 172,738.66

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Solution

The fourth proportional to 229,074.87, 342,971.19 and 172,738.66 is: 258,624.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,074.87 : 342,971.19 = 172,738.66 : x
  2. Step 2: Convert to fraction form
    229,074.87/342,971.19 = 172,738.66/x
  3. Step 3: Cross multiply
    229,074.87x = 342,971.19 × 172,738.66
  4. Step 4: Simplify right side
    229,074.87x = 59,244,383,779.21
  5. Step 5: Solve for x
    x = 59,244,383,779.21/229,074.87
  6. Step 6: Final answer
    x = 258,624.54

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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.