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Finding the Fourth Proportional to 341,311.14, 470,806.44 and 220,523.64

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Solution

The fourth proportional to 341,311.14, 470,806.44 and 220,523.64 is: 304,191.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,311.14 : 470,806.44 = 220,523.64 : x
  2. Step 2: Convert to fraction form
    341,311.14/470,806.44 = 220,523.64/x
  3. Step 3: Cross multiply
    341,311.14x = 470,806.44 × 220,523.64
  4. Step 4: Simplify right side
    341,311.14x = 103,823,949,884.24
  5. Step 5: Solve for x
    x = 103,823,949,884.24/341,311.14
  6. Step 6: Final answer
    x = 304,191.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.