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Finding the Fourth Proportional to 329,789.60, 494,021.01 and 249,964.10

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Solution

The fourth proportional to 329,789.60, 494,021.01 and 249,964.10 is: 374,443.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,789.60 : 494,021.01 = 249,964.10 : x
  2. Step 2: Convert to fraction form
    329,789.60/494,021.01 = 249,964.10/x
  3. Step 3: Cross multiply
    329,789.60x = 494,021.01 × 249,964.10
  4. Step 4: Simplify right side
    329,789.60x = 123,487,517,145.74
  5. Step 5: Solve for x
    x = 123,487,517,145.74/329,789.60
  6. Step 6: Final answer
    x = 374,443.33

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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.