Home / 379,161.20-523,242.69-207,081.56

Finding the Fourth Proportional to 379,161.20, 523,242.69 and 207,081.56

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Solution

The fourth proportional to 379,161.20, 523,242.69 and 207,081.56 is: 285,772.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,161.20 : 523,242.69 = 207,081.56 : x
  2. Step 2: Convert to fraction form
    379,161.20/523,242.69 = 207,081.56/x
  3. Step 3: Cross multiply
    379,161.20x = 523,242.69 × 207,081.56
  4. Step 4: Simplify right side
    379,161.20x = 108,353,913,035.35
  5. Step 5: Solve for x
    x = 108,353,913,035.35/379,161.20
  6. Step 6: Final answer
    x = 285,772.68

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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.