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Finding the Fourth Proportional to 271,812.40, 375,090.82 and 150,961.47

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Solution

The fourth proportional to 271,812.40, 375,090.82 and 150,961.47 is: 208,321.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,812.40 : 375,090.82 = 150,961.47 : x
  2. Step 2: Convert to fraction form
    271,812.40/375,090.82 = 150,961.47/x
  3. Step 3: Cross multiply
    271,812.40x = 375,090.82 × 150,961.47
  4. Step 4: Simplify right side
    271,812.40x = 56,624,260,815.90
  5. Step 5: Solve for x
    x = 56,624,260,815.90/271,812.40
  6. Step 6: Final answer
    x = 208,321.11

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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.