Home / 270,629.49-405,945.92-70,948.08

Finding the Fourth Proportional to 270,629.49, 405,945.92 and 70,948.08

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Solution

The fourth proportional to 270,629.49, 405,945.92 and 70,948.08 is: 106,422.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,629.49 : 405,945.92 = 70,948.08 : x
  2. Step 2: Convert to fraction form
    270,629.49/405,945.92 = 70,948.08/x
  3. Step 3: Cross multiply
    270,629.49x = 405,945.92 × 70,948.08
  4. Step 4: Simplify right side
    270,629.49x = 28,801,083,607.83
  5. Step 5: Solve for x
    x = 28,801,083,607.83/270,629.49
  6. Step 6: Final answer
    x = 106,422.56

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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.