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Finding the Fourth Proportional to 606,112, 909,204.45 and 185,391.52

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Solution

The fourth proportional to 606,112, 909,204.45 and 185,391.52 is: 278,098.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,112 : 909,204.45 = 185,391.52 : x
  2. Step 2: Convert to fraction form
    606,112/909,204.45 = 185,391.52/x
  3. Step 3: Cross multiply
    606,112x = 909,204.45 × 185,391.52
  4. Step 4: Simplify right side
    606,112x = 168,558,794,976.26
  5. Step 5: Solve for x
    x = 168,558,794,976.26/606,112
  6. Step 6: Final answer
    x = 278,098.43

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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.