Home / 212,334.57-318,504.33-84,282.30

Finding the Fourth Proportional to 212,334.57, 318,504.33 and 84,282.30

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Solution

The fourth proportional to 212,334.57, 318,504.33 and 84,282.30 is: 126,424.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,334.57 : 318,504.33 = 84,282.30 : x
  2. Step 2: Convert to fraction form
    212,334.57/318,504.33 = 84,282.30/x
  3. Step 3: Cross multiply
    212,334.57x = 318,504.33 × 84,282.30
  4. Step 4: Simplify right side
    212,334.57x = 26,844,277,492.36
  5. Step 5: Solve for x
    x = 26,844,277,492.36/212,334.57
  6. Step 6: Final answer
    x = 126,424.43

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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.