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Finding the Fourth Proportional to 329,830.60, 494,745.90 and 119,475.40

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Solution

The fourth proportional to 329,830.60, 494,745.90 and 119,475.40 is: 179,213.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,830.60 : 494,745.90 = 119,475.40 : x
  2. Step 2: Convert to fraction form
    329,830.60/494,745.90 = 119,475.40/x
  3. Step 3: Cross multiply
    329,830.60x = 494,745.90 × 119,475.40
  4. Step 4: Simplify right side
    329,830.60x = 59,109,964,300.86
  5. Step 5: Solve for x
    x = 59,109,964,300.86/329,830.60
  6. Step 6: Final answer
    x = 179,213.10

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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.