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Finding the Fourth Proportional to 366,522.75, 505,691.31 and 237,256.47

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Solution

The fourth proportional to 366,522.75, 505,691.31 and 237,256.47 is: 327,342.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,522.75 : 505,691.31 = 237,256.47 : x
  2. Step 2: Convert to fraction form
    366,522.75/505,691.31 = 237,256.47/x
  3. Step 3: Cross multiply
    366,522.75x = 505,691.31 × 237,256.47
  4. Step 4: Simplify right side
    366,522.75x = 119,978,535,120.28
  5. Step 5: Solve for x
    x = 119,978,535,120.28/366,522.75
  6. Step 6: Final answer
    x = 327,342.67

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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.