Home / 209,817.94-315,001.26-124,584.34

Finding the Fourth Proportional to 209,817.94, 315,001.26 and 124,584.34

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Solution

The fourth proportional to 209,817.94, 315,001.26 and 124,584.34 is: 187,039.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,817.94 : 315,001.26 = 124,584.34 : x
  2. Step 2: Convert to fraction form
    209,817.94/315,001.26 = 124,584.34/x
  3. Step 3: Cross multiply
    209,817.94x = 315,001.26 × 124,584.34
  4. Step 4: Simplify right side
    209,817.94x = 39,244,224,076.27
  5. Step 5: Solve for x
    x = 39,244,224,076.27/209,817.94
  6. Step 6: Final answer
    x = 187,039.41

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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.