Home / 243,500.20-365,250.30-199,213.45

Finding the Fourth Proportional to 243,500.20, 365,250.30 and 199,213.45

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Solution

The fourth proportional to 243,500.20, 365,250.30 and 199,213.45 is: 298,820.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,500.20 : 365,250.30 = 199,213.45 : x
  2. Step 2: Convert to fraction form
    243,500.20/365,250.30 = 199,213.45/x
  3. Step 3: Cross multiply
    243,500.20x = 365,250.30 × 199,213.45
  4. Step 4: Simplify right side
    243,500.20x = 72,762,772,376.54
  5. Step 5: Solve for x
    x = 72,762,772,376.54/243,500.20
  6. Step 6: Final answer
    x = 298,820.18

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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.