Home / 348,816.22-523,279.17-149,137.66

Finding the Fourth Proportional to 348,816.22, 523,279.17 and 149,137.66

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Solution

The fourth proportional to 348,816.22, 523,279.17 and 149,137.66 is: 223,729.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,816.22 : 523,279.17 = 149,137.66 : x
  2. Step 2: Convert to fraction form
    348,816.22/523,279.17 = 149,137.66/x
  3. Step 3: Cross multiply
    348,816.22x = 523,279.17 × 149,137.66
  4. Step 4: Simplify right side
    348,816.22x = 78,040,630,940.54
  5. Step 5: Solve for x
    x = 78,040,630,940.54/348,816.22
  6. Step 6: Final answer
    x = 223,729.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.