Home / 398,914.27-550,489.06-226,850.93

Finding the Fourth Proportional to 398,914.27, 550,489.06 and 226,850.93

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Solution

The fourth proportional to 398,914.27, 550,489.06 and 226,850.93 is: 313,047.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,914.27 : 550,489.06 = 226,850.93 : x
  2. Step 2: Convert to fraction form
    398,914.27/550,489.06 = 226,850.93/x
  3. Step 3: Cross multiply
    398,914.27x = 550,489.06 × 226,850.93
  4. Step 4: Simplify right side
    398,914.27x = 124,878,954,811.28
  5. Step 5: Solve for x
    x = 124,878,954,811.28/398,914.27
  6. Step 6: Final answer
    x = 313,047.10

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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.