Home / 347,736.20-520,826.70-268,593.80

Finding the Fourth Proportional to 347,736.20, 520,826.70 and 268,593.80

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Solution

The fourth proportional to 347,736.20, 520,826.70 and 268,593.80 is: 402,290.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,736.20 : 520,826.70 = 268,593.80 : x
  2. Step 2: Convert to fraction form
    347,736.20/520,826.70 = 268,593.80/x
  3. Step 3: Cross multiply
    347,736.20x = 520,826.70 × 268,593.80
  4. Step 4: Simplify right side
    347,736.20x = 139,890,822,494.46
  5. Step 5: Solve for x
    x = 139,890,822,494.46/347,736.20
  6. Step 6: Final answer
    x = 402,290.08

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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.