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Finding the Fourth Proportional to 329,611, 494,123.28 and 119,202.16

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Solution

The fourth proportional to 329,611, 494,123.28 and 119,202.16 is: 178,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,611 : 494,123.28 = 119,202.16 : x
  2. Step 2: Convert to fraction form
    329,611/494,123.28 = 119,202.16/x
  3. Step 3: Cross multiply
    329,611x = 494,123.28 × 119,202.16
  4. Step 4: Simplify right side
    329,611x = 58,900,562,282.28
  5. Step 5: Solve for x
    x = 58,900,562,282.28/329,611
  6. Step 6: Final answer
    x = 178,697.20

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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.