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Finding the Fourth Proportional to 451,114.65, 675,960.05 and 166,413.42

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Solution

The fourth proportional to 451,114.65, 675,960.05 and 166,413.42 is: 249,357.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,114.65 : 675,960.05 = 166,413.42 : x
  2. Step 2: Convert to fraction form
    451,114.65/675,960.05 = 166,413.42/x
  3. Step 3: Cross multiply
    451,114.65x = 675,960.05 × 166,413.42
  4. Step 4: Simplify right side
    451,114.65x = 112,488,824,119.91
  5. Step 5: Solve for x
    x = 112,488,824,119.91/451,114.65
  6. Step 6: Final answer
    x = 249,357.51

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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.