Home / 268,246.82-402,370.38-99,745.25

Finding the Fourth Proportional to 268,246.82, 402,370.38 and 99,745.25

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Solution

The fourth proportional to 268,246.82, 402,370.38 and 99,745.25 is: 149,617.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,246.82 : 402,370.38 = 99,745.25 : x
  2. Step 2: Convert to fraction form
    268,246.82/402,370.38 = 99,745.25/x
  3. Step 3: Cross multiply
    268,246.82x = 402,370.38 × 99,745.25
  4. Step 4: Simplify right side
    268,246.82x = 40,134,535,151.62
  5. Step 5: Solve for x
    x = 40,134,535,151.62/268,246.82
  6. Step 6: Final answer
    x = 149,617.93

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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.