Home / 204,427.04-306,680.67-71,311.64

Finding the Fourth Proportional to 204,427.04, 306,680.67 and 71,311.64

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Solution

The fourth proportional to 204,427.04, 306,680.67 and 71,311.64 is: 106,981.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,427.04 : 306,680.67 = 71,311.64 : x
  2. Step 2: Convert to fraction form
    204,427.04/306,680.67 = 71,311.64/x
  3. Step 3: Cross multiply
    204,427.04x = 306,680.67 × 71,311.64
  4. Step 4: Simplify right side
    204,427.04x = 21,869,900,000.60
  5. Step 5: Solve for x
    x = 21,869,900,000.60/204,427.04
  6. Step 6: Final answer
    x = 106,981.45

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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.