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Finding the Fourth Proportional to 271,651.64, 407,477.10 and 103,171.64

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Solution

The fourth proportional to 271,651.64, 407,477.10 and 103,171.64 is: 154,757.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,651.64 : 407,477.10 = 103,171.64 : x
  2. Step 2: Convert to fraction form
    271,651.64/407,477.10 = 103,171.64/x
  3. Step 3: Cross multiply
    271,651.64x = 407,477.10 × 103,171.64
  4. Step 4: Simplify right side
    271,651.64x = 42,040,080,669.44
  5. Step 5: Solve for x
    x = 42,040,080,669.44/271,651.64
  6. Step 6: Final answer
    x = 154,757.32

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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.