Home / 347,234.20-520,073.70-268,091.80

Finding the Fourth Proportional to 347,234.20, 520,073.70 and 268,091.80

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Solution

The fourth proportional to 347,234.20, 520,073.70 and 268,091.80 is: 401,537.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,234.20 : 520,073.70 = 268,091.80 : x
  2. Step 2: Convert to fraction form
    347,234.20/520,073.70 = 268,091.80/x
  3. Step 3: Cross multiply
    347,234.20x = 520,073.70 × 268,091.80
  4. Step 4: Simplify right side
    347,234.20x = 139,427,494,365.66
  5. Step 5: Solve for x
    x = 139,427,494,365.66/347,234.20
  6. Step 6: Final answer
    x = 401,537.33

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1.5x scale

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.