Home / 243,908.24-336,369.75-209,441.27

Finding the Fourth Proportional to 243,908.24, 336,369.75 and 209,441.27

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Solution

The fourth proportional to 243,908.24, 336,369.75 and 209,441.27 is: 288,836.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,908.24 : 336,369.75 = 209,441.27 : x
  2. Step 2: Convert to fraction form
    243,908.24/336,369.75 = 209,441.27/x
  3. Step 3: Cross multiply
    243,908.24x = 336,369.75 × 209,441.27
  4. Step 4: Simplify right side
    243,908.24x = 70,449,707,629.58
  5. Step 5: Solve for x
    x = 70,449,707,629.58/243,908.24
  6. Step 6: Final answer
    x = 288,836.93

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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.