Home / 400,250.20-552,349.62-218,958.24

Finding the Fourth Proportional to 400,250.20, 552,349.62 and 218,958.24

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Solution

The fourth proportional to 400,250.20, 552,349.62 and 218,958.24 is: 302,164.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,250.20 : 552,349.62 = 218,958.24 : x
  2. Step 2: Convert to fraction form
    400,250.20/552,349.62 = 218,958.24/x
  3. Step 3: Cross multiply
    400,250.20x = 552,349.62 × 218,958.24
  4. Step 4: Simplify right side
    400,250.20x = 120,941,500,659.87
  5. Step 5: Solve for x
    x = 120,941,500,659.87/400,250.20
  6. Step 6: Final answer
    x = 302,164.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.