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Finding the Fourth Proportional to 201,729.54, 278,126.63 and 165,295.54

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Solution

The fourth proportional to 201,729.54, 278,126.63 and 165,295.54 is: 227,894.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,729.54 : 278,126.63 = 165,295.54 : x
  2. Step 2: Convert to fraction form
    201,729.54/278,126.63 = 165,295.54/x
  3. Step 3: Cross multiply
    201,729.54x = 278,126.63 × 165,295.54
  4. Step 4: Simplify right side
    201,729.54x = 45,973,090,667.75
  5. Step 5: Solve for x
    x = 45,973,090,667.75/201,729.54
  6. Step 6: Final answer
    x = 227,894.69

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1.5x scale

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.