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Finding the Fourth Proportional to 267,003, 368,465.22 and 147,771

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Solution

The fourth proportional to 267,003, 368,465.22 and 147,771 is: 203,924.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,003 : 368,465.22 = 147,771 : x
  2. Step 2: Convert to fraction form
    267,003/368,465.22 = 147,771/x
  3. Step 3: Cross multiply
    267,003x = 368,465.22 × 147,771
  4. Step 4: Simplify right side
    267,003x = 54,448,474,024.62
  5. Step 5: Solve for x
    x = 54,448,474,024.62/267,003
  6. Step 6: Final answer
    x = 203,924.58

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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.