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Finding the Fourth Proportional to 197,366.40, 295,903.80 and 84,954.60

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Solution

The fourth proportional to 197,366.40, 295,903.80 and 84,954.60 is: 127,369.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,366.40 : 295,903.80 = 84,954.60 : x
  2. Step 2: Convert to fraction form
    197,366.40/295,903.80 = 84,954.60/x
  3. Step 3: Cross multiply
    197,366.40x = 295,903.80 × 84,954.60
  4. Step 4: Simplify right side
    197,366.40x = 25,138,388,967.48
  5. Step 5: Solve for x
    x = 25,138,388,967.48/197,366.40
  6. Step 6: Final answer
    x = 127,369.14

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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.