Home / 300,825.29-451,187.16-140,918.33

Finding the Fourth Proportional to 300,825.29, 451,187.16 and 140,918.33

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Solution

The fourth proportional to 300,825.29, 451,187.16 and 140,918.33 is: 211,353.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,825.29 : 451,187.16 = 140,918.33 : x
  2. Step 2: Convert to fraction form
    300,825.29/451,187.16 = 140,918.33/x
  3. Step 3: Cross multiply
    300,825.29x = 451,187.16 × 140,918.33
  4. Step 4: Simplify right side
    300,825.29x = 63,580,538,848.71
  5. Step 5: Solve for x
    x = 63,580,538,848.71/300,825.29
  6. Step 6: Final answer
    x = 211,353.71

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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.