Home / 274,328.06-411,450.50-74,664

Finding the Fourth Proportional to 274,328.06, 411,450.50 and 74,664

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Solution

The fourth proportional to 274,328.06, 411,450.50 and 74,664 is: 111,984.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,328.06 : 411,450.50 = 74,664 : x
  2. Step 2: Convert to fraction form
    274,328.06/411,450.50 = 74,664/x
  3. Step 3: Cross multiply
    274,328.06x = 411,450.50 × 74,664
  4. Step 4: Simplify right side
    274,328.06x = 30,720,540,132
  5. Step 5: Solve for x
    x = 30,720,540,132/274,328.06
  6. Step 6: Final answer
    x = 111,984.68

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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.