Home / 347,826.80-521,740.20-268,997.60

Finding the Fourth Proportional to 347,826.80, 521,740.20 and 268,997.60

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Solution

The fourth proportional to 347,826.80, 521,740.20 and 268,997.60 is: 403,496.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,826.80 : 521,740.20 = 268,997.60 : x
  2. Step 2: Convert to fraction form
    347,826.80/521,740.20 = 268,997.60/x
  3. Step 3: Cross multiply
    347,826.80x = 521,740.20 × 268,997.60
  4. Step 4: Simplify right side
    347,826.80x = 140,346,861,623.52
  5. Step 5: Solve for x
    x = 140,346,861,623.52/347,826.80
  6. Step 6: Final answer
    x = 403,496.40

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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.