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Finding the Fourth Proportional to 484,725.82, 726,760.68 and 169,010.50

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Solution

The fourth proportional to 484,725.82, 726,760.68 and 169,010.50 is: 253,401.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,725.82 : 726,760.68 = 169,010.50 : x
  2. Step 2: Convert to fraction form
    484,725.82/726,760.68 = 169,010.50/x
  3. Step 3: Cross multiply
    484,725.82x = 726,760.68 × 169,010.50
  4. Step 4: Simplify right side
    484,725.82x = 122,830,185,907.14
  5. Step 5: Solve for x
    x = 122,830,185,907.14/484,725.82
  6. Step 6: Final answer
    x = 253,401.37

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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.