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Finding the Fourth Proportional to 363,246.60, 543,833.10 and 352,878.60

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Solution

The fourth proportional to 363,246.60, 543,833.10 and 352,878.60 is: 528,310.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,246.60 : 543,833.10 = 352,878.60 : x
  2. Step 2: Convert to fraction form
    363,246.60/543,833.10 = 352,878.60/x
  3. Step 3: Cross multiply
    363,246.60x = 543,833.10 × 352,878.60
  4. Step 4: Simplify right side
    363,246.60x = 191,907,062,961.66
  5. Step 5: Solve for x
    x = 191,907,062,961.66/363,246.60
  6. Step 6: Final answer
    x = 528,310.69

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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.