Home / 325,153.66-487,777.23-100,531.61

Finding the Fourth Proportional to 325,153.66, 487,777.23 and 100,531.61

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Solution

The fourth proportional to 325,153.66, 487,777.23 and 100,531.61 is: 150,811.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,153.66 : 487,777.23 = 100,531.61 : x
  2. Step 2: Convert to fraction form
    325,153.66/487,777.23 = 100,531.61/x
  3. Step 3: Cross multiply
    325,153.66x = 487,777.23 × 100,531.61
  4. Step 4: Simplify right side
    325,153.66x = 49,037,029,750.58
  5. Step 5: Solve for x
    x = 49,037,029,750.58/325,153.66
  6. Step 6: Final answer
    x = 150,811.86

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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.