Home / 851,877.81-1,277,815.50-220,792.23

Finding the Fourth Proportional to 851,877.81, 1,277,815.50 and 220,792.23

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Solution

The fourth proportional to 851,877.81, 1,277,815.50 and 220,792.23 is: 331,188.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,877.81 : 1,277,815.50 = 220,792.23 : x
  2. Step 2: Convert to fraction form
    851,877.81/1,277,815.50 = 220,792.23/x
  3. Step 3: Cross multiply
    851,877.81x = 1,277,815.50 × 220,792.23
  4. Step 4: Simplify right side
    851,877.81x = 282,131,733,773.57
  5. Step 5: Solve for x
    x = 282,131,733,773.57/851,877.81
  6. Step 6: Final answer
    x = 331,188.03

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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.