Home / 481,448.10-721,844.10-228,849.60

Finding the Fourth Proportional to 481,448.10, 721,844.10 and 228,849.60

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Solution

The fourth proportional to 481,448.10, 721,844.10 and 228,849.60 is: 343,118.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,448.10 : 721,844.10 = 228,849.60 : x
  2. Step 2: Convert to fraction form
    481,448.10/721,844.10 = 228,849.60/x
  3. Step 3: Cross multiply
    481,448.10x = 721,844.10 × 228,849.60
  4. Step 4: Simplify right side
    481,448.10x = 165,193,733,547.36
  5. Step 5: Solve for x
    x = 165,193,733,547.36/481,448.10
  6. Step 6: Final answer
    x = 343,118.47

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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.