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Finding the Fourth Proportional to 410,179.70, 615,269.55 and 298,205.30

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Solution

The fourth proportional to 410,179.70, 615,269.55 and 298,205.30 is: 447,307.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,179.70 : 615,269.55 = 298,205.30 : x
  2. Step 2: Convert to fraction form
    410,179.70/615,269.55 = 298,205.30/x
  3. Step 3: Cross multiply
    410,179.70x = 615,269.55 × 298,205.30
  4. Step 4: Simplify right side
    410,179.70x = 183,476,640,738.62
  5. Step 5: Solve for x
    x = 183,476,640,738.62/410,179.70
  6. Step 6: Final answer
    x = 447,307.95

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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.