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Finding the Fourth Proportional to 365,593.20, 548,562.60 and 155,410.80

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Solution

The fourth proportional to 365,593.20, 548,562.60 and 155,410.80 is: 233,189.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,593.20 : 548,562.60 = 155,410.80 : x
  2. Step 2: Convert to fraction form
    365,593.20/548,562.60 = 155,410.80/x
  3. Step 3: Cross multiply
    365,593.20x = 548,562.60 × 155,410.80
  4. Step 4: Simplify right side
    365,593.20x = 85,252,552,516.08
  5. Step 5: Solve for x
    x = 85,252,552,516.08/365,593.20
  6. Step 6: Final answer
    x = 233,189.66

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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.