Home / 325,821.12-488,578.32-126,234.96

Finding the Fourth Proportional to 325,821.12, 488,578.32 and 126,234.96

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Solution

The fourth proportional to 325,821.12, 488,578.32 and 126,234.96 is: 189,293.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,821.12 : 488,578.32 = 126,234.96 : x
  2. Step 2: Convert to fraction form
    325,821.12/488,578.32 = 126,234.96/x
  3. Step 3: Cross multiply
    325,821.12x = 488,578.32 × 126,234.96
  4. Step 4: Simplify right side
    325,821.12x = 61,675,664,682.07
  5. Step 5: Solve for x
    x = 61,675,664,682.07/325,821.12
  6. Step 6: Final answer
    x = 189,293.02

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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.