Home / 489,128.10-733,910.85-173,811.30

Finding the Fourth Proportional to 489,128.10, 733,910.85 and 173,811.30

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Solution

The fourth proportional to 489,128.10, 733,910.85 and 173,811.30 is: 260,794.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,128.10 : 733,910.85 = 173,811.30 : x
  2. Step 2: Convert to fraction form
    489,128.10/733,910.85 = 173,811.30/x
  3. Step 3: Cross multiply
    489,128.10x = 733,910.85 × 173,811.30
  4. Step 4: Simplify right side
    489,128.10x = 127,561,998,922.61
  5. Step 5: Solve for x
    x = 127,561,998,922.61/489,128.10
  6. Step 6: Final answer
    x = 260,794.66

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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.