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Finding the Fourth Proportional to 365,720.30, 548,580.45 and 303,512.30

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Solution

The fourth proportional to 365,720.30, 548,580.45 and 303,512.30 is: 455,268.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,720.30 : 548,580.45 = 303,512.30 : x
  2. Step 2: Convert to fraction form
    365,720.30/548,580.45 = 303,512.30/x
  3. Step 3: Cross multiply
    365,720.30x = 548,580.45 × 303,512.30
  4. Step 4: Simplify right side
    365,720.30x = 166,500,914,114.54
  5. Step 5: Solve for x
    x = 166,500,914,114.54/365,720.30
  6. Step 6: Final answer
    x = 455,268.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.