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Finding the Fourth Proportional to 356,362.08, 491,780.25 and 195,213.59

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Solution

The fourth proportional to 356,362.08, 491,780.25 and 195,213.59 is: 269,395.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,362.08 : 491,780.25 = 195,213.59 : x
  2. Step 2: Convert to fraction form
    356,362.08/491,780.25 = 195,213.59/x
  3. Step 3: Cross multiply
    356,362.08x = 491,780.25 × 195,213.59
  4. Step 4: Simplify right side
    356,362.08x = 96,002,189,811.08
  5. Step 5: Solve for x
    x = 96,002,189,811.08/356,362.08
  6. Step 6: Final answer
    x = 269,395.08

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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.