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Finding the Fourth Proportional to 271,505.55, 407,094.71 and 121,718.75

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Solution

The fourth proportional to 271,505.55, 407,094.71 and 121,718.75 is: 182,504.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,505.55 : 407,094.71 = 121,718.75 : x
  2. Step 2: Convert to fraction form
    271,505.55/407,094.71 = 121,718.75/x
  3. Step 3: Cross multiply
    271,505.55x = 407,094.71 × 121,718.75
  4. Step 4: Simplify right side
    271,505.55x = 49,551,058,624.22
  5. Step 5: Solve for x
    x = 49,551,058,624.22/271,505.55
  6. Step 6: Final answer
    x = 182,504.77

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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.