Home / 299,872.28-414,133.62-259,391.72

Finding the Fourth Proportional to 299,872.28, 414,133.62 and 259,391.72

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Solution

The fourth proportional to 299,872.28, 414,133.62 and 259,391.72 is: 358,228.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,872.28 : 414,133.62 = 259,391.72 : x
  2. Step 2: Convert to fraction form
    299,872.28/414,133.62 = 259,391.72/x
  3. Step 3: Cross multiply
    299,872.28x = 414,133.62 × 259,391.72
  4. Step 4: Simplify right side
    299,872.28x = 107,422,832,001.63
  5. Step 5: Solve for x
    x = 107,422,832,001.63/299,872.28
  6. Step 6: Final answer
    x = 358,228.62

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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.