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Finding the Fourth Proportional to 271,385.44, 374,498.70 and 150,515.98

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Solution

The fourth proportional to 271,385.44, 374,498.70 and 150,515.98 is: 207,704.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,385.44 : 374,498.70 = 150,515.98 : x
  2. Step 2: Convert to fraction form
    271,385.44/374,498.70 = 150,515.98/x
  3. Step 3: Cross multiply
    271,385.44x = 374,498.70 × 150,515.98
  4. Step 4: Simplify right side
    271,385.44x = 56,368,038,839.23
  5. Step 5: Solve for x
    x = 56,368,038,839.23/271,385.44
  6. Step 6: Final answer
    x = 207,704.73

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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.