Home / 205,161.20-307,434.60-173,826.80

Finding the Fourth Proportional to 205,161.20, 307,434.60 and 173,826.80

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Solution

The fourth proportional to 205,161.20, 307,434.60 and 173,826.80 is: 260,479.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,161.20 : 307,434.60 = 173,826.80 : x
  2. Step 2: Convert to fraction form
    205,161.20/307,434.60 = 173,826.80/x
  3. Step 3: Cross multiply
    205,161.20x = 307,434.60 × 173,826.80
  4. Step 4: Simplify right side
    205,161.20x = 53,440,372,727.28
  5. Step 5: Solve for x
    x = 53,440,372,727.28/205,161.20
  6. Step 6: Final answer
    x = 260,479.92

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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.