Home / 442,932.90-664,399.35-162,413.70

Finding the Fourth Proportional to 442,932.90, 664,399.35 and 162,413.70

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Solution

The fourth proportional to 442,932.90, 664,399.35 and 162,413.70 is: 243,620.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,932.90 : 664,399.35 = 162,413.70 : x
  2. Step 2: Convert to fraction form
    442,932.90/664,399.35 = 162,413.70/x
  3. Step 3: Cross multiply
    442,932.90x = 664,399.35 × 162,413.70
  4. Step 4: Simplify right side
    442,932.90x = 107,907,556,711.10
  5. Step 5: Solve for x
    x = 107,907,556,711.10/442,932.90
  6. Step 6: Final answer
    x = 243,620.55

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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.