Home / 358,013.94-494,042.32-196,875.78

Finding the Fourth Proportional to 358,013.94, 494,042.32 and 196,875.78

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Solution

The fourth proportional to 358,013.94, 494,042.32 and 196,875.78 is: 271,679.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,013.94 : 494,042.32 = 196,875.78 : x
  2. Step 2: Convert to fraction form
    358,013.94/494,042.32 = 196,875.78/x
  3. Step 3: Cross multiply
    358,013.94x = 494,042.32 × 196,875.78
  4. Step 4: Simplify right side
    358,013.94x = 97,264,967,103.01
  5. Step 5: Solve for x
    x = 97,264,967,103.01/358,013.94
  6. Step 6: Final answer
    x = 271,679.27

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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.