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Finding the Fourth Proportional to 227,383.10, 340,418.55 and 201,139.10

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Solution

The fourth proportional to 227,383.10, 340,418.55 and 201,139.10 is: 301,128.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,383.10 : 340,418.55 = 201,139.10 : x
  2. Step 2: Convert to fraction form
    227,383.10/340,418.55 = 201,139.10/x
  3. Step 3: Cross multiply
    227,383.10x = 340,418.55 × 201,139.10
  4. Step 4: Simplify right side
    227,383.10x = 68,471,480,770.31
  5. Step 5: Solve for x
    x = 68,471,480,770.31/227,383.10
  6. Step 6: Final answer
    x = 301,128.28

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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.