Home / 409,121.28-564,571.62-227,840.85

Finding the Fourth Proportional to 409,121.28, 564,571.62 and 227,840.85

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Solution

The fourth proportional to 409,121.28, 564,571.62 and 227,840.85 is: 314,411.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,121.28 : 564,571.62 = 227,840.85 : x
  2. Step 2: Convert to fraction form
    409,121.28/564,571.62 = 227,840.85/x
  3. Step 3: Cross multiply
    409,121.28x = 564,571.62 × 227,840.85
  4. Step 4: Simplify right side
    409,121.28x = 128,632,477,786.68
  5. Step 5: Solve for x
    x = 128,632,477,786.68/409,121.28
  6. Step 6: Final answer
    x = 314,411.60

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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.