Home / 355,916.88-491,165.30-194,771.94

Finding the Fourth Proportional to 355,916.88, 491,165.30 and 194,771.94

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Solution

The fourth proportional to 355,916.88, 491,165.30 and 194,771.94 is: 268,785.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,916.88 : 491,165.30 = 194,771.94 : x
  2. Step 2: Convert to fraction form
    355,916.88/491,165.30 = 194,771.94/x
  3. Step 3: Cross multiply
    355,916.88x = 491,165.30 × 194,771.94
  4. Step 4: Simplify right side
    355,916.88x = 95,665,218,341.68
  5. Step 5: Solve for x
    x = 95,665,218,341.68/355,916.88
  6. Step 6: Final answer
    x = 268,785.28

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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.