Home / 321,022.56-481,420.20-93,270.80

Finding the Fourth Proportional to 321,022.56, 481,420.20 and 93,270.80

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Solution

The fourth proportional to 321,022.56, 481,420.20 and 93,270.80 is: 139,873.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,022.56 : 481,420.20 = 93,270.80 : x
  2. Step 2: Convert to fraction form
    321,022.56/481,420.20 = 93,270.80/x
  3. Step 3: Cross multiply
    321,022.56x = 481,420.20 × 93,270.80
  4. Step 4: Simplify right side
    321,022.56x = 44,902,447,190.16
  5. Step 5: Solve for x
    x = 44,902,447,190.16/321,022.56
  6. Step 6: Final answer
    x = 139,873.18

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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.