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Finding the Fourth Proportional to 366,900.30, 550,350.45 and 323,597.70

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Solution

The fourth proportional to 366,900.30, 550,350.45 and 323,597.70 is: 485,396.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,900.30 : 550,350.45 = 323,597.70 : x
  2. Step 2: Convert to fraction form
    366,900.30/550,350.45 = 323,597.70/x
  3. Step 3: Cross multiply
    366,900.30x = 550,350.45 × 323,597.70
  4. Step 4: Simplify right side
    366,900.30x = 178,092,139,813.97
  5. Step 5: Solve for x
    x = 178,092,139,813.97/366,900.30
  6. Step 6: Final answer
    x = 485,396.55

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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.