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Finding the Fourth Proportional to 271,659.60, 407,197.80 and 103,114.80

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Solution

The fourth proportional to 271,659.60, 407,197.80 and 103,114.80 is: 154,561.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,659.60 : 407,197.80 = 103,114.80 : x
  2. Step 2: Convert to fraction form
    271,659.60/407,197.80 = 103,114.80/x
  3. Step 3: Cross multiply
    271,659.60x = 407,197.80 × 103,114.80
  4. Step 4: Simplify right side
    271,659.60x = 41,988,119,707.44
  5. Step 5: Solve for x
    x = 41,988,119,707.44/271,659.60
  6. Step 6: Final answer
    x = 154,561.52

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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.