Home / 248,740.80-373,164.33-80,270.70

Finding the Fourth Proportional to 248,740.80, 373,164.33 and 80,270.70

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Solution

The fourth proportional to 248,740.80, 373,164.33 and 80,270.70 is: 120,423.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,740.80 : 373,164.33 = 80,270.70 : x
  2. Step 2: Convert to fraction form
    248,740.80/373,164.33 = 80,270.70/x
  3. Step 3: Cross multiply
    248,740.80x = 373,164.33 × 80,270.70
  4. Step 4: Simplify right side
    248,740.80x = 29,954,161,984.13
  5. Step 5: Solve for x
    x = 29,954,161,984.13/248,740.80
  6. Step 6: Final answer
    x = 120,423.20

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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.