Home / 379,359.48-523,351.62-228,369

Finding the Fourth Proportional to 379,359.48, 523,351.62 and 228,369

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Solution

The fourth proportional to 379,359.48, 523,351.62 and 228,369 is: 315,050.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,359.48 : 523,351.62 = 228,369 : x
  2. Step 2: Convert to fraction form
    379,359.48/523,351.62 = 228,369/x
  3. Step 3: Cross multiply
    379,359.48x = 523,351.62 × 228,369
  4. Step 4: Simplify right side
    379,359.48x = 119,517,286,107.78
  5. Step 5: Solve for x
    x = 119,517,286,107.78/379,359.48
  6. Step 6: Final answer
    x = 315,050.22

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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.