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Finding the Fourth Proportional to 403,320.60, 605,199.60 and 166,687.20

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Solution

The fourth proportional to 403,320.60, 605,199.60 and 166,687.20 is: 250,121.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,320.60 : 605,199.60 = 166,687.20 : x
  2. Step 2: Convert to fraction form
    403,320.60/605,199.60 = 166,687.20/x
  3. Step 3: Cross multiply
    403,320.60x = 605,199.60 × 166,687.20
  4. Step 4: Simplify right side
    403,320.60x = 100,879,026,765.12
  5. Step 5: Solve for x
    x = 100,879,026,765.12/403,320.60
  6. Step 6: Final answer
    x = 250,121.19

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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.