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Finding the Fourth Proportional to 271,530.73, 375,103.28 and 217,013.10

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Solution

The fourth proportional to 271,530.73, 375,103.28 and 217,013.10 is: 299,790.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,530.73 : 375,103.28 = 217,013.10 : x
  2. Step 2: Convert to fraction form
    271,530.73/375,103.28 = 217,013.10/x
  3. Step 3: Cross multiply
    271,530.73x = 375,103.28 × 217,013.10
  4. Step 4: Simplify right side
    271,530.73x = 81,402,325,193.49
  5. Step 5: Solve for x
    x = 81,402,325,193.49/271,530.73
  6. Step 6: Final answer
    x = 299,790.47

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1.5x scale

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.