Home / 231,091.30-347,220.15-146,891.80

Finding the Fourth Proportional to 231,091.30, 347,220.15 and 146,891.80

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Solution

The fourth proportional to 231,091.30, 347,220.15 and 146,891.80 is: 220,708.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,091.30 : 347,220.15 = 146,891.80 : x
  2. Step 2: Convert to fraction form
    231,091.30/347,220.15 = 146,891.80/x
  3. Step 3: Cross multiply
    231,091.30x = 347,220.15 × 146,891.80
  4. Step 4: Simplify right side
    231,091.30x = 51,003,792,829.77
  5. Step 5: Solve for x
    x = 51,003,792,829.77/231,091.30
  6. Step 6: Final answer
    x = 220,708.41

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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.