Home / 274,328.43-411,451.07-74,664.38

Finding the Fourth Proportional to 274,328.43, 411,451.07 and 74,664.38

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Solution

The fourth proportional to 274,328.43, 411,451.07 and 74,664.38 is: 111,985.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,328.43 : 411,451.07 = 74,664.38 : x
  2. Step 2: Convert to fraction form
    274,328.43/411,451.07 = 74,664.38/x
  3. Step 3: Cross multiply
    274,328.43x = 411,451.07 × 74,664.38
  4. Step 4: Simplify right side
    274,328.43x = 30,720,736,611.31
  5. Step 5: Solve for x
    x = 30,720,736,611.31/274,328.43
  6. Step 6: Final answer
    x = 111,985.25

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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.