Home / 208,999.18-313,498.68-51,226.30

Finding the Fourth Proportional to 208,999.18, 313,498.68 and 51,226.30

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Solution

The fourth proportional to 208,999.18, 313,498.68 and 51,226.30 is: 76,839.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,999.18 : 313,498.68 = 51,226.30 : x
  2. Step 2: Convert to fraction form
    208,999.18/313,498.68 = 51,226.30/x
  3. Step 3: Cross multiply
    208,999.18x = 313,498.68 × 51,226.30
  4. Step 4: Simplify right side
    208,999.18x = 16,059,377,431.28
  5. Step 5: Solve for x
    x = 16,059,377,431.28/208,999.18
  6. Step 6: Final answer
    x = 76,839.43

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1.5x scale

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.