Home / 284,274.88-392,144.07-198,097.36

Finding the Fourth Proportional to 284,274.88, 392,144.07 and 198,097.36

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Solution

The fourth proportional to 284,274.88, 392,144.07 and 198,097.36 is: 273,266.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,274.88 : 392,144.07 = 198,097.36 : x
  2. Step 2: Convert to fraction form
    284,274.88/392,144.07 = 198,097.36/x
  3. Step 3: Cross multiply
    284,274.88x = 392,144.07 × 198,097.36
  4. Step 4: Simplify right side
    284,274.88x = 77,682,705,006.66
  5. Step 5: Solve for x
    x = 77,682,705,006.66/284,274.88
  6. Step 6: Final answer
    x = 273,266.16

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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.