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Finding the Fourth Proportional to 244,236.40, 366,354.60 and 220,130.80

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Solution

The fourth proportional to 244,236.40, 366,354.60 and 220,130.80 is: 330,196.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,236.40 : 366,354.60 = 220,130.80 : x
  2. Step 2: Convert to fraction form
    244,236.40/366,354.60 = 220,130.80/x
  3. Step 3: Cross multiply
    244,236.40x = 366,354.60 × 220,130.80
  4. Step 4: Simplify right side
    244,236.40x = 80,645,931,181.68
  5. Step 5: Solve for x
    x = 80,645,931,181.68/244,236.40
  6. Step 6: Final answer
    x = 330,196.20

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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.