Home / 409,634.19-565,297.38-228,344.66

Finding the Fourth Proportional to 409,634.19, 565,297.38 and 228,344.66

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Solution

The fourth proportional to 409,634.19, 565,297.38 and 228,344.66 is: 315,116.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,634.19 : 565,297.38 = 228,344.66 : x
  2. Step 2: Convert to fraction form
    409,634.19/565,297.38 = 228,344.66/x
  3. Step 3: Cross multiply
    409,634.19x = 565,297.38 × 228,344.66
  4. Step 4: Simplify right side
    409,634.19x = 129,082,635,208.50
  5. Step 5: Solve for x
    x = 129,082,635,208.50/409,634.19
  6. Step 6: Final answer
    x = 315,116.85

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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.