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Finding the Fourth Proportional to 358,015.94, 494,045.07 and 196,877.78

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Solution

The fourth proportional to 358,015.94, 494,045.07 and 196,877.78 is: 271,682.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,015.94 : 494,045.07 = 196,877.78 : x
  2. Step 2: Convert to fraction form
    358,015.94/494,045.07 = 196,877.78/x
  3. Step 3: Cross multiply
    358,015.94x = 494,045.07 × 196,877.78
  4. Step 4: Simplify right side
    358,015.94x = 97,266,494,131.32
  5. Step 5: Solve for x
    x = 97,266,494,131.32/358,015.94
  6. Step 6: Final answer
    x = 271,682.02

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1.5x scale

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.