Home / 403,727.77-605,020.37-223,892.30

Finding the Fourth Proportional to 403,727.77, 605,020.37 and 223,892.30

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Solution

The fourth proportional to 403,727.77, 605,020.37 and 223,892.30 is: 335,521.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,727.77 : 605,020.37 = 223,892.30 : x
  2. Step 2: Convert to fraction form
    403,727.77/605,020.37 = 223,892.30/x
  3. Step 3: Cross multiply
    403,727.77x = 605,020.37 × 223,892.30
  4. Step 4: Simplify right side
    403,727.77x = 135,459,399,720.78
  5. Step 5: Solve for x
    x = 135,459,399,720.78/403,727.77
  6. Step 6: Final answer
    x = 335,521.63

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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.