Home / 403,736.20-605,312.70-226,297.60

Finding the Fourth Proportional to 403,736.20, 605,312.70 and 226,297.60

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Solution

The fourth proportional to 403,736.20, 605,312.70 and 226,297.60 is: 339,282.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,736.20 : 605,312.70 = 226,297.60 : x
  2. Step 2: Convert to fraction form
    403,736.20/605,312.70 = 226,297.60/x
  3. Step 3: Cross multiply
    403,736.20x = 605,312.70 × 226,297.60
  4. Step 4: Simplify right side
    403,736.20x = 136,980,811,259.52
  5. Step 5: Solve for x
    x = 136,980,811,259.52/403,736.20
  6. Step 6: Final answer
    x = 339,282.96

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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.