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Finding the Fourth Proportional to 329,355.73, 454,511.21 and 178,452.73

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Solution

The fourth proportional to 329,355.73, 454,511.21 and 178,452.73 is: 246,264.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,355.73 : 454,511.21 = 178,452.73 : x
  2. Step 2: Convert to fraction form
    329,355.73/454,511.21 = 178,452.73/x
  3. Step 3: Cross multiply
    329,355.73x = 454,511.21 × 178,452.73
  4. Step 4: Simplify right side
    329,355.73x = 81,108,766,240.10
  5. Step 5: Solve for x
    x = 81,108,766,240.10/329,355.73
  6. Step 6: Final answer
    x = 246,264.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.