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Finding the Fourth Proportional to 271,616.10, 407,132.55 and 103,071.30

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Solution

The fourth proportional to 271,616.10, 407,132.55 and 103,071.30 is: 154,496.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,616.10 : 407,132.55 = 103,071.30 : x
  2. Step 2: Convert to fraction form
    271,616.10/407,132.55 = 103,071.30/x
  3. Step 3: Cross multiply
    271,616.10x = 407,132.55 × 103,071.30
  4. Step 4: Simplify right side
    271,616.10x = 41,963,681,200.82
  5. Step 5: Solve for x
    x = 41,963,681,200.82/271,616.10
  6. Step 6: Final answer
    x = 154,496.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.