Home / 325,834.20-488,775.60-115,444.80

Finding the Fourth Proportional to 325,834.20, 488,775.60 and 115,444.80

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Solution

The fourth proportional to 325,834.20, 488,775.60 and 115,444.80 is: 173,175.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,834.20 : 488,775.60 = 115,444.80 : x
  2. Step 2: Convert to fraction form
    325,834.20/488,775.60 = 115,444.80/x
  3. Step 3: Cross multiply
    325,834.20x = 488,775.60 × 115,444.80
  4. Step 4: Simplify right side
    325,834.20x = 56,426,601,386.88
  5. Step 5: Solve for x
    x = 56,426,601,386.88/325,834.20
  6. Step 6: Final answer
    x = 173,175.81

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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.