Home / 379,292.26-523,439.18-218,147.42

Finding the Fourth Proportional to 379,292.26, 523,439.18 and 218,147.42

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Solution

The fourth proportional to 379,292.26, 523,439.18 and 218,147.42 is: 301,052.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,292.26 : 523,439.18 = 218,147.42 : x
  2. Step 2: Convert to fraction form
    379,292.26/523,439.18 = 218,147.42/x
  3. Step 3: Cross multiply
    379,292.26x = 523,439.18 × 218,147.42
  4. Step 4: Simplify right side
    379,292.26x = 114,186,906,643.92
  5. Step 5: Solve for x
    x = 114,186,906,643.92/379,292.26
  6. Step 6: Final answer
    x = 301,052.56

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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.