Home / 547,233.90-820,413.45-231,431.10

Finding the Fourth Proportional to 547,233.90, 820,413.45 and 231,431.10

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Solution

The fourth proportional to 547,233.90, 820,413.45 and 231,431.10 is: 346,961.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,233.90 : 820,413.45 = 231,431.10 : x
  2. Step 2: Convert to fraction form
    547,233.90/820,413.45 = 231,431.10/x
  3. Step 3: Cross multiply
    547,233.90x = 820,413.45 × 231,431.10
  4. Step 4: Simplify right side
    547,233.90x = 189,869,187,188.30
  5. Step 5: Solve for x
    x = 189,869,187,188.30/547,233.90
  6. Step 6: Final answer
    x = 346,961.67

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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.