Home / 284,528.16-427,236.12-271,908.36

Finding the Fourth Proportional to 284,528.16, 427,236.12 and 271,908.36

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Solution

The fourth proportional to 284,528.16, 427,236.12 and 271,908.36 is: 408,286.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,528.16 : 427,236.12 = 271,908.36 : x
  2. Step 2: Convert to fraction form
    284,528.16/427,236.12 = 271,908.36/x
  3. Step 3: Cross multiply
    284,528.16x = 427,236.12 × 271,908.36
  4. Step 4: Simplify right side
    284,528.16x = 116,169,072,721.96
  5. Step 5: Solve for x
    x = 116,169,072,721.96/284,528.16
  6. Step 6: Final answer
    x = 408,286.73

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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.