Home / 338,505.37-504,731.73-329,205.15

Finding the Fourth Proportional to 338,505.37, 504,731.73 and 329,205.15

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Solution

The fourth proportional to 338,505.37, 504,731.73 and 329,205.15 is: 490,864.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,505.37 : 504,731.73 = 329,205.15 : x
  2. Step 2: Convert to fraction form
    338,505.37/504,731.73 = 329,205.15/x
  3. Step 3: Cross multiply
    338,505.37x = 504,731.73 × 329,205.15
  4. Step 4: Simplify right side
    338,505.37x = 166,160,285,542.63
  5. Step 5: Solve for x
    x = 166,160,285,542.63/338,505.37
  6. Step 6: Final answer
    x = 490,864.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.