Home / 285,945.83-428,619.46-96,340.69

Finding the Fourth Proportional to 285,945.83, 428,619.46 and 96,340.69

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Solution

The fourth proportional to 285,945.83, 428,619.46 and 96,340.69 is: 144,410.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,945.83 : 428,619.46 = 96,340.69 : x
  2. Step 2: Convert to fraction form
    285,945.83/428,619.46 = 96,340.69/x
  3. Step 3: Cross multiply
    285,945.83x = 428,619.46 × 96,340.69
  4. Step 4: Simplify right side
    285,945.83x = 41,293,493,211.43
  5. Step 5: Solve for x
    x = 41,293,493,211.43/285,945.83
  6. Step 6: Final answer
    x = 144,410.20

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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.