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Finding the Fourth Proportional to 197,040.64, 295,678.72 and 72,394.24

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Solution

The fourth proportional to 197,040.64, 295,678.72 and 72,394.24 is: 108,634.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,040.64 : 295,678.72 = 72,394.24 : x
  2. Step 2: Convert to fraction form
    197,040.64/295,678.72 = 72,394.24/x
  3. Step 3: Cross multiply
    197,040.64x = 295,678.72 × 72,394.24
  4. Step 4: Simplify right side
    197,040.64x = 21,405,436,218.57
  5. Step 5: Solve for x
    x = 21,405,436,218.57/197,040.64
  6. Step 6: Final answer
    x = 108,634.63

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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.