Home / 409,204.12-564,716.94-225,450.16

Finding the Fourth Proportional to 409,204.12, 564,716.94 and 225,450.16

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Solution

The fourth proportional to 409,204.12, 564,716.94 and 225,450.16 is: 311,129.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,204.12 : 564,716.94 = 225,450.16 : x
  2. Step 2: Convert to fraction form
    409,204.12/564,716.94 = 225,450.16/x
  3. Step 3: Cross multiply
    409,204.12x = 564,716.94 × 225,450.16
  4. Step 4: Simplify right side
    409,204.12x = 127,315,524,477.71
  5. Step 5: Solve for x
    x = 127,315,524,477.71/409,204.12
  6. Step 6: Final answer
    x = 311,129.63

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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.