Home / 331,921.80-497,882.70-225,633.60

Finding the Fourth Proportional to 331,921.80, 497,882.70 and 225,633.60

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Solution

The fourth proportional to 331,921.80, 497,882.70 and 225,633.60 is: 338,450.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,921.80 : 497,882.70 = 225,633.60 : x
  2. Step 2: Convert to fraction form
    331,921.80/497,882.70 = 225,633.60/x
  3. Step 3: Cross multiply
    331,921.80x = 497,882.70 × 225,633.60
  4. Step 4: Simplify right side
    331,921.80x = 112,339,065,978.72
  5. Step 5: Solve for x
    x = 112,339,065,978.72/331,921.80
  6. Step 6: Final answer
    x = 338,450.40

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1.5x scale

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.