Home / 419,836.67-579,352.75-238,523.44

Finding the Fourth Proportional to 419,836.67, 579,352.75 and 238,523.44

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Solution

The fourth proportional to 419,836.67, 579,352.75 and 238,523.44 is: 329,149.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,836.67 : 579,352.75 = 238,523.44 : x
  2. Step 2: Convert to fraction form
    419,836.67/579,352.75 = 238,523.44/x
  3. Step 3: Cross multiply
    419,836.67x = 579,352.75 × 238,523.44
  4. Step 4: Simplify right side
    419,836.67x = 138,189,208,858.77
  5. Step 5: Solve for x
    x = 138,189,208,858.77/419,836.67
  6. Step 6: Final answer
    x = 329,149.92

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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.