Home / 383,710.96-529,569.26-220,418.61

Finding the Fourth Proportional to 383,710.96, 529,569.26 and 220,418.61

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Solution

The fourth proportional to 383,710.96, 529,569.26 and 220,418.61 is: 304,205.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,710.96 : 529,569.26 = 220,418.61 : x
  2. Step 2: Convert to fraction form
    383,710.96/529,569.26 = 220,418.61/x
  3. Step 3: Cross multiply
    383,710.96x = 529,569.26 × 220,418.61
  4. Step 4: Simplify right side
    383,710.96x = 116,726,920,187.93
  5. Step 5: Solve for x
    x = 116,726,920,187.93/383,710.96
  6. Step 6: Final answer
    x = 304,205.33

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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.