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Finding the Fourth Proportional to 194,470.44, 291,705.66 and 63,142.44

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Solution

The fourth proportional to 194,470.44, 291,705.66 and 63,142.44 is: 94,713.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,470.44 : 291,705.66 = 63,142.44 : x
  2. Step 2: Convert to fraction form
    194,470.44/291,705.66 = 63,142.44/x
  3. Step 3: Cross multiply
    194,470.44x = 291,705.66 × 63,142.44
  4. Step 4: Simplify right side
    194,470.44x = 18,419,007,134.21
  5. Step 5: Solve for x
    x = 18,419,007,134.21/194,470.44
  6. Step 6: Final answer
    x = 94,713.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.