Home / 290,515.44-435,662.46-113,001.24

Finding the Fourth Proportional to 290,515.44, 435,662.46 and 113,001.24

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Solution

The fourth proportional to 290,515.44, 435,662.46 and 113,001.24 is: 169,458.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,515.44 : 435,662.46 = 113,001.24 : x
  2. Step 2: Convert to fraction form
    290,515.44/435,662.46 = 113,001.24/x
  3. Step 3: Cross multiply
    290,515.44x = 435,662.46 × 113,001.24
  4. Step 4: Simplify right side
    290,515.44x = 49,230,398,201.45
  5. Step 5: Solve for x
    x = 49,230,398,201.45/290,515.44
  6. Step 6: Final answer
    x = 169,458.80

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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.