Home / 455,223.29-682,909.11-170,935.85

Finding the Fourth Proportional to 455,223.29, 682,909.11 and 170,935.85

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Solution

The fourth proportional to 455,223.29, 682,909.11 and 170,935.85 is: 256,431.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,223.29 : 682,909.11 = 170,935.85 : x
  2. Step 2: Convert to fraction form
    455,223.29/682,909.11 = 170,935.85/x
  3. Step 3: Cross multiply
    455,223.29x = 682,909.11 × 170,935.85
  4. Step 4: Simplify right side
    455,223.29x = 116,733,649,190.59
  5. Step 5: Solve for x
    x = 116,733,649,190.59/455,223.29
  6. Step 6: Final answer
    x = 256,431.63

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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.