Home / 407,826.36-611,849.43-171,105.48

Finding the Fourth Proportional to 407,826.36, 611,849.43 and 171,105.48

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Solution

The fourth proportional to 407,826.36, 611,849.43 and 171,105.48 is: 256,704.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,826.36 : 611,849.43 = 171,105.48 : x
  2. Step 2: Convert to fraction form
    407,826.36/611,849.43 = 171,105.48/x
  3. Step 3: Cross multiply
    407,826.36x = 611,849.43 × 171,105.48
  4. Step 4: Simplify right side
    407,826.36x = 104,690,790,407.88
  5. Step 5: Solve for x
    x = 104,690,790,407.88/407,826.36
  6. Step 6: Final answer
    x = 256,704.32

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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.