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Finding the Fourth Proportional to 271,455.81, 407,054.07 and 159,170.22

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Solution

The fourth proportional to 271,455.81, 407,054.07 and 159,170.22 is: 238,679.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,455.81 : 407,054.07 = 159,170.22 : x
  2. Step 2: Convert to fraction form
    271,455.81/407,054.07 = 159,170.22/x
  3. Step 3: Cross multiply
    271,455.81x = 407,054.07 × 159,170.22
  4. Step 4: Simplify right side
    271,455.81x = 64,790,885,873.80
  5. Step 5: Solve for x
    x = 64,790,885,873.80/271,455.81
  6. Step 6: Final answer
    x = 238,679.31

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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.