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Finding the Fourth Proportional to 366,320.80, 549,481.20 and 206,232.40

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Solution

The fourth proportional to 366,320.80, 549,481.20 and 206,232.40 is: 309,348.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,320.80 : 549,481.20 = 206,232.40 : x
  2. Step 2: Convert to fraction form
    366,320.80/549,481.20 = 206,232.40/x
  3. Step 3: Cross multiply
    366,320.80x = 549,481.20 × 206,232.40
  4. Step 4: Simplify right side
    366,320.80x = 113,320,826,630.88
  5. Step 5: Solve for x
    x = 113,320,826,630.88/366,320.80
  6. Step 6: Final answer
    x = 309,348.60

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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.