Home / 356,259.43-491,619.75-195,111.02

Finding the Fourth Proportional to 356,259.43, 491,619.75 and 195,111.02

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Solution

The fourth proportional to 356,259.43, 491,619.75 and 195,111.02 is: 269,243.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,259.43 : 491,619.75 = 195,111.02 : x
  2. Step 2: Convert to fraction form
    356,259.43/491,619.75 = 195,111.02/x
  3. Step 3: Cross multiply
    356,259.43x = 491,619.75 × 195,111.02
  4. Step 4: Simplify right side
    356,259.43x = 95,920,432,103.69
  5. Step 5: Solve for x
    x = 95,920,432,103.69/356,259.43
  6. Step 6: Final answer
    x = 269,243.21

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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.