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Finding the Fourth Proportional to 366,914.80, 550,372.20 and 323,612.20

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Solution

The fourth proportional to 366,914.80, 550,372.20 and 323,612.20 is: 485,418.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,914.80 : 550,372.20 = 323,612.20 : x
  2. Step 2: Convert to fraction form
    366,914.80/550,372.20 = 323,612.20/x
  3. Step 3: Cross multiply
    366,914.80x = 550,372.20 × 323,612.20
  4. Step 4: Simplify right side
    366,914.80x = 178,107,158,460.84
  5. Step 5: Solve for x
    x = 178,107,158,460.84/366,914.80
  6. Step 6: Final answer
    x = 485,418.30

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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.