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Finding the Fourth Proportional to 329,910.18, 494,865.09 and 119,547.78

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Solution

The fourth proportional to 329,910.18, 494,865.09 and 119,547.78 is: 179,321.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,910.18 : 494,865.09 = 119,547.78 : x
  2. Step 2: Convert to fraction form
    329,910.18/494,865.09 = 119,547.78/x
  3. Step 3: Cross multiply
    329,910.18x = 494,865.09 × 119,547.78
  4. Step 4: Simplify right side
    329,910.18x = 59,160,022,909.00
  5. Step 5: Solve for x
    x = 59,160,022,909.00/329,910.18
  6. Step 6: Final answer
    x = 179,321.60

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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.