Home / 408,720.06-613,072.94-183,921.40

Finding the Fourth Proportional to 408,720.06, 613,072.94 and 183,921.40

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Solution

The fourth proportional to 408,720.06, 613,072.94 and 183,921.40 is: 275,878.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,720.06 : 613,072.94 = 183,921.40 : x
  2. Step 2: Convert to fraction form
    408,720.06/613,072.94 = 183,921.40/x
  3. Step 3: Cross multiply
    408,720.06x = 613,072.94 × 183,921.40
  4. Step 4: Simplify right side
    408,720.06x = 112,757,233,426.92
  5. Step 5: Solve for x
    x = 112,757,233,426.92/408,720.06
  6. Step 6: Final answer
    x = 275,878.88

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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.