Home / 305,943.56-458,757.77-137,319.33

Finding the Fourth Proportional to 305,943.56, 458,757.77 and 137,319.33

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Solution

The fourth proportional to 305,943.56, 458,757.77 and 137,319.33 is: 205,908.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,943.56 : 458,757.77 = 137,319.33 : x
  2. Step 2: Convert to fraction form
    305,943.56/458,757.77 = 137,319.33/x
  3. Step 3: Cross multiply
    305,943.56x = 458,757.77 × 137,319.33
  4. Step 4: Simplify right side
    305,943.56x = 62,996,309,608.69
  5. Step 5: Solve for x
    x = 62,996,309,608.69/305,943.56
  6. Step 6: Final answer
    x = 205,908.27

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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.