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Finding the Fourth Proportional to 329,671.92, 494,710.92 and 129,958.32

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Solution

The fourth proportional to 329,671.92, 494,710.92 and 129,958.32 is: 195,017.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,671.92 : 494,710.92 = 129,958.32 : x
  2. Step 2: Convert to fraction form
    329,671.92/494,710.92 = 129,958.32/x
  3. Step 3: Cross multiply
    329,671.92x = 494,710.92 × 129,958.32
  4. Step 4: Simplify right side
    329,671.92x = 64,291,800,048.85
  5. Step 5: Solve for x
    x = 64,291,800,048.85/329,671.92
  6. Step 6: Final answer
    x = 195,017.52

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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.