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Finding the Fourth Proportional to 223,409.70, 335,114.55 and 201,291.30

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Solution

The fourth proportional to 223,409.70, 335,114.55 and 201,291.30 is: 301,936.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,409.70 : 335,114.55 = 201,291.30 : x
  2. Step 2: Convert to fraction form
    223,409.70/335,114.55 = 201,291.30/x
  3. Step 3: Cross multiply
    223,409.70x = 335,114.55 × 201,291.30
  4. Step 4: Simplify right side
    223,409.70x = 67,455,643,418.42
  5. Step 5: Solve for x
    x = 67,455,643,418.42/223,409.70
  6. Step 6: Final answer
    x = 301,936.95

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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.