Home / 311,111.04-466,287.42-161,268.78

Finding the Fourth Proportional to 311,111.04, 466,287.42 and 161,268.78

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Solution

The fourth proportional to 311,111.04, 466,287.42 and 161,268.78 is: 241,706.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,111.04 : 466,287.42 = 161,268.78 : x
  2. Step 2: Convert to fraction form
    311,111.04/466,287.42 = 161,268.78/x
  3. Step 3: Cross multiply
    311,111.04x = 466,287.42 × 161,268.78
  4. Step 4: Simplify right side
    311,111.04x = 75,197,603,352.75
  5. Step 5: Solve for x
    x = 75,197,603,352.75/311,111.04
  6. Step 6: Final answer
    x = 241,706.64

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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.