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Finding the Fourth Proportional to 271,866.24, 375,170.40 and 151,002.72

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Solution

The fourth proportional to 271,866.24, 375,170.40 and 151,002.72 is: 208,380.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,866.24 : 375,170.40 = 151,002.72 : x
  2. Step 2: Convert to fraction form
    271,866.24/375,170.40 = 151,002.72/x
  3. Step 3: Cross multiply
    271,866.24x = 375,170.40 × 151,002.72
  4. Step 4: Simplify right side
    271,866.24x = 56,651,750,863.49
  5. Step 5: Solve for x
    x = 56,651,750,863.49/271,866.24
  6. Step 6: Final answer
    x = 208,380.97

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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.