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Finding the Fourth Proportional to 323,246.52, 484,707.42 and 188,354.16

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Solution

The fourth proportional to 323,246.52, 484,707.42 and 188,354.16 is: 282,436.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,246.52 : 484,707.42 = 188,354.16 : x
  2. Step 2: Convert to fraction form
    323,246.52/484,707.42 = 188,354.16/x
  3. Step 3: Cross multiply
    323,246.52x = 484,707.42 × 188,354.16
  4. Step 4: Simplify right side
    323,246.52x = 91,296,658,939.87
  5. Step 5: Solve for x
    x = 91,296,658,939.87/323,246.52
  6. Step 6: Final answer
    x = 282,436.63

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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.