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Finding the Fourth Proportional to 668,737, 1,003,163.82 and 170,101

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Solution

The fourth proportional to 668,737, 1,003,163.82 and 170,101 is: 255,166.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,737 : 1,003,163.82 = 170,101 : x
  2. Step 2: Convert to fraction form
    668,737/1,003,163.82 = 170,101/x
  3. Step 3: Cross multiply
    668,737x = 1,003,163.82 × 170,101
  4. Step 4: Simplify right side
    668,737x = 170,639,168,945.82
  5. Step 5: Solve for x
    x = 170,639,168,945.82/668,737
  6. Step 6: Final answer
    x = 255,166.33

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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.