Home / 319,825.81-440,834.00-226,723.28

Finding the Fourth Proportional to 319,825.81, 440,834.00 and 226,723.28

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Solution

The fourth proportional to 319,825.81, 440,834.00 and 226,723.28 is: 312,505.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,825.81 : 440,834.00 = 226,723.28 : x
  2. Step 2: Convert to fraction form
    319,825.81/440,834.00 = 226,723.28/x
  3. Step 3: Cross multiply
    319,825.81x = 440,834.00 × 226,723.28
  4. Step 4: Simplify right side
    319,825.81x = 99,947,328,778.16
  5. Step 5: Solve for x
    x = 99,947,328,778.16/319,825.81
  6. Step 6: Final answer
    x = 312,505.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.