Home / 403,724.70-605,295.45-226,286.10

Finding the Fourth Proportional to 403,724.70, 605,295.45 and 226,286.10

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Solution

The fourth proportional to 403,724.70, 605,295.45 and 226,286.10 is: 339,265.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,724.70 : 605,295.45 = 226,286.10 : x
  2. Step 2: Convert to fraction form
    403,724.70/605,295.45 = 226,286.10/x
  3. Step 3: Cross multiply
    403,724.70x = 605,295.45 × 226,286.10
  4. Step 4: Simplify right side
    403,724.70x = 136,969,946,728.25
  5. Step 5: Solve for x
    x = 136,969,946,728.25/403,724.70
  6. Step 6: Final answer
    x = 339,265.71

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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.