Home / 331,815.79-457,906.23-180,912.79

Finding the Fourth Proportional to 331,815.79, 457,906.23 and 180,912.79

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Solution

The fourth proportional to 331,815.79, 457,906.23 and 180,912.79 is: 249,659.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,815.79 : 457,906.23 = 180,912.79 : x
  2. Step 2: Convert to fraction form
    331,815.79/457,906.23 = 180,912.79/x
  3. Step 3: Cross multiply
    331,815.79x = 457,906.23 × 180,912.79
  4. Step 4: Simplify right side
    331,815.79x = 82,841,093,627.68
  5. Step 5: Solve for x
    x = 82,841,093,627.68/331,815.79
  6. Step 6: Final answer
    x = 249,659.89

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1.5x scale

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.