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Finding the Fourth Proportional to 271,549.53, 407,459.97 and 121,896.36

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Solution

The fourth proportional to 271,549.53, 407,459.97 and 121,896.36 is: 182,905.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,549.53 : 407,459.97 = 121,896.36 : x
  2. Step 2: Convert to fraction form
    271,549.53/407,459.97 = 121,896.36/x
  3. Step 3: Cross multiply
    271,549.53x = 407,459.97 × 121,896.36
  4. Step 4: Simplify right side
    271,549.53x = 49,667,887,188.71
  5. Step 5: Solve for x
    x = 49,667,887,188.71/271,549.53
  6. Step 6: Final answer
    x = 182,905.44

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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.