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Finding the Fourth Proportional to 329,228.40, 494,425.80 and 254,530.20

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Solution

The fourth proportional to 329,228.40, 494,425.80 and 254,530.20 is: 382,246.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,228.40 : 494,425.80 = 254,530.20 : x
  2. Step 2: Convert to fraction form
    329,228.40/494,425.80 = 254,530.20/x
  3. Step 3: Cross multiply
    329,228.40x = 494,425.80 × 254,530.20
  4. Step 4: Simplify right side
    329,228.40x = 125,846,297,759.16
  5. Step 5: Solve for x
    x = 125,846,297,759.16/329,228.40
  6. Step 6: Final answer
    x = 382,246.18

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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.