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Finding the Fourth Proportional to 418,492.78, 576,977.96 and 271,055.32

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Solution

The fourth proportional to 418,492.78, 576,977.96 and 271,055.32 is: 373,705.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,492.78 : 576,977.96 = 271,055.32 : x
  2. Step 2: Convert to fraction form
    418,492.78/576,977.96 = 271,055.32/x
  3. Step 3: Cross multiply
    418,492.78x = 576,977.96 × 271,055.32
  4. Step 4: Simplify right side
    418,492.78x = 156,392,945,580.75
  5. Step 5: Solve for x
    x = 156,392,945,580.75/418,492.78
  6. Step 6: Final answer
    x = 373,705.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.