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Finding the Fourth Proportional to 308,173.60, 462,217.20 and 97,832.80

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Solution

The fourth proportional to 308,173.60, 462,217.20 and 97,832.80 is: 146,735.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,173.60 : 462,217.20 = 97,832.80 : x
  2. Step 2: Convert to fraction form
    308,173.60/462,217.20 = 97,832.80/x
  3. Step 3: Cross multiply
    308,173.60x = 462,217.20 × 97,832.80
  4. Step 4: Simplify right side
    308,173.60x = 45,220,002,884.16
  5. Step 5: Solve for x
    x = 45,220,002,884.16/308,173.60
  6. Step 6: Final answer
    x = 146,735.49

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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.