Home / 419,835.45-579,351.07-238,522.22

Finding the Fourth Proportional to 419,835.45, 579,351.07 and 238,522.22

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Solution

The fourth proportional to 419,835.45, 579,351.07 and 238,522.22 is: 329,148.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,835.45 : 579,351.07 = 238,522.22 : x
  2. Step 2: Convert to fraction form
    419,835.45/579,351.07 = 238,522.22/x
  3. Step 3: Cross multiply
    419,835.45x = 579,351.07 × 238,522.22
  4. Step 4: Simplify right side
    419,835.45x = 138,188,102,614.32
  5. Step 5: Solve for x
    x = 138,188,102,614.32/419,835.45
  6. Step 6: Final answer
    x = 329,148.24

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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.