Home / 338,413.20-507,198.60-218,153.04

Finding the Fourth Proportional to 338,413.20, 507,198.60 and 218,153.04

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Solution

The fourth proportional to 338,413.20, 507,198.60 and 218,153.04 is: 326,958.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,413.20 : 507,198.60 = 218,153.04 : x
  2. Step 2: Convert to fraction form
    338,413.20/507,198.60 = 218,153.04/x
  3. Step 3: Cross multiply
    338,413.20x = 507,198.60 × 218,153.04
  4. Step 4: Simplify right side
    338,413.20x = 110,646,916,473.74
  5. Step 5: Solve for x
    x = 110,646,916,473.74/338,413.20
  6. Step 6: Final answer
    x = 326,958.04

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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.