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Finding the Fourth Proportional to 197,287.40, 295,736.70 and 97,365.80

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Solution

The fourth proportional to 197,287.40, 295,736.70 and 97,365.80 is: 145,952.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,287.40 : 295,736.70 = 97,365.80 : x
  2. Step 2: Convert to fraction form
    197,287.40/295,736.70 = 97,365.80/x
  3. Step 3: Cross multiply
    197,287.40x = 295,736.70 × 97,365.80
  4. Step 4: Simplify right side
    197,287.40x = 28,794,640,384.86
  5. Step 5: Solve for x
    x = 28,794,640,384.86/197,287.40
  6. Step 6: Final answer
    x = 145,952.76

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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.