Home / 275,190.55-379,766.14-152,685.23

Finding the Fourth Proportional to 275,190.55, 379,766.14 and 152,685.23

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Solution

The fourth proportional to 275,190.55, 379,766.14 and 152,685.23 is: 210,707.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,190.55 : 379,766.14 = 152,685.23 : x
  2. Step 2: Convert to fraction form
    275,190.55/379,766.14 = 152,685.23/x
  3. Step 3: Cross multiply
    275,190.55x = 379,766.14 × 152,685.23
  4. Step 4: Simplify right side
    275,190.55x = 57,984,680,999.81
  5. Step 5: Solve for x
    x = 57,984,680,999.81/275,190.55
  6. Step 6: Final answer
    x = 210,707.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.