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Finding the Fourth Proportional to 237,346.85, 355,774.22 and 148,396.09

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Solution

The fourth proportional to 237,346.85, 355,774.22 and 148,396.09 is: 222,440.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,346.85 : 355,774.22 = 148,396.09 : x
  2. Step 2: Convert to fraction form
    237,346.85/355,774.22 = 148,396.09/x
  3. Step 3: Cross multiply
    237,346.85x = 355,774.22 × 148,396.09
  4. Step 4: Simplify right side
    237,346.85x = 52,795,501,391.93
  5. Step 5: Solve for x
    x = 52,795,501,391.93/237,346.85
  6. Step 6: Final answer
    x = 222,440.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.