Home / 451,824.49-677,296.09-215,103.61

Finding the Fourth Proportional to 451,824.49, 677,296.09 and 215,103.61

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Solution

The fourth proportional to 451,824.49, 677,296.09 and 215,103.61 is: 322,445.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,824.49 : 677,296.09 = 215,103.61 : x
  2. Step 2: Convert to fraction form
    451,824.49/677,296.09 = 215,103.61/x
  3. Step 3: Cross multiply
    451,824.49x = 677,296.09 × 215,103.61
  4. Step 4: Simplify right side
    451,824.49x = 145,688,833,997.89
  5. Step 5: Solve for x
    x = 145,688,833,997.89/451,824.49
  6. Step 6: Final answer
    x = 322,445.63

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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.