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Finding the Fourth Proportional to 335,224.86, 503,153.31 and 122,198.67

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Solution

The fourth proportional to 335,224.86, 503,153.31 and 122,198.67 is: 183,413.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,224.86 : 503,153.31 = 122,198.67 : x
  2. Step 2: Convert to fraction form
    335,224.86/503,153.31 = 122,198.67/x
  3. Step 3: Cross multiply
    335,224.86x = 503,153.31 × 122,198.67
  4. Step 4: Simplify right side
    335,224.86x = 61,484,665,288.10
  5. Step 5: Solve for x
    x = 61,484,665,288.10/335,224.86
  6. Step 6: Final answer
    x = 183,413.20

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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.