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Finding the Fourth Proportional to 329,829.80, 494,744.70 and 163,596.20

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Solution

The fourth proportional to 329,829.80, 494,744.70 and 163,596.20 is: 245,394.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,829.80 : 494,744.70 = 163,596.20 : x
  2. Step 2: Convert to fraction form
    329,829.80/494,744.70 = 163,596.20/x
  3. Step 3: Cross multiply
    329,829.80x = 494,744.70 × 163,596.20
  4. Step 4: Simplify right side
    329,829.80x = 80,938,352,890.14
  5. Step 5: Solve for x
    x = 80,938,352,890.14/329,829.80
  6. Step 6: Final answer
    x = 245,394.30

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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.