Home / 279,742.43-419,616.56-223,937.28

Finding the Fourth Proportional to 279,742.43, 419,616.56 and 223,937.28

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Solution

The fourth proportional to 279,742.43, 419,616.56 and 223,937.28 is: 335,908.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,742.43 : 419,616.56 = 223,937.28 : x
  2. Step 2: Convert to fraction form
    279,742.43/419,616.56 = 223,937.28/x
  3. Step 3: Cross multiply
    279,742.43x = 419,616.56 × 223,937.28
  4. Step 4: Simplify right side
    279,742.43x = 93,967,789,969.67
  5. Step 5: Solve for x
    x = 93,967,789,969.67/279,742.43
  6. Step 6: Final answer
    x = 335,908.25

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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.