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Finding the Fourth Proportional to 197,289.28, 295,904.64 and 72,601.12

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Solution

The fourth proportional to 197,289.28, 295,904.64 and 72,601.12 is: 108,890.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,289.28 : 295,904.64 = 72,601.12 : x
  2. Step 2: Convert to fraction form
    197,289.28/295,904.64 = 72,601.12/x
  3. Step 3: Cross multiply
    197,289.28x = 295,904.64 × 72,601.12
  4. Step 4: Simplify right side
    197,289.28x = 21,483,008,277.20
  5. Step 5: Solve for x
    x = 21,483,008,277.20/197,289.28
  6. Step 6: Final answer
    x = 108,890.91

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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.