Home / 389,839.46-537,982.94-228,697.25

Finding the Fourth Proportional to 389,839.46, 537,982.94 and 228,697.25

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Solution

The fourth proportional to 389,839.46, 537,982.94 and 228,697.25 is: 315,604.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,839.46 : 537,982.94 = 228,697.25 : x
  2. Step 2: Convert to fraction form
    389,839.46/537,982.94 = 228,697.25/x
  3. Step 3: Cross multiply
    389,839.46x = 537,982.94 × 228,697.25
  4. Step 4: Simplify right side
    389,839.46x = 123,035,218,924.92
  5. Step 5: Solve for x
    x = 123,035,218,924.92/389,839.46
  6. Step 6: Final answer
    x = 315,604.84

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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.