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Finding the Fourth Proportional to 227,014.20, 340,523.10 and 69,244.20

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Solution

The fourth proportional to 227,014.20, 340,523.10 and 69,244.20 is: 103,866.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,014.20 : 340,523.10 = 69,244.20 : x
  2. Step 2: Convert to fraction form
    227,014.20/340,523.10 = 69,244.20/x
  3. Step 3: Cross multiply
    227,014.20x = 340,523.10 × 69,244.20
  4. Step 4: Simplify right side
    227,014.20x = 23,579,249,641.02
  5. Step 5: Solve for x
    x = 23,579,249,641.02/227,014.20
  6. Step 6: Final answer
    x = 103,866.85

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1.5x scale

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.