Home / 206,626.37-309,899.25-56,828.21

Finding the Fourth Proportional to 206,626.37, 309,899.25 and 56,828.21

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Solution

The fourth proportional to 206,626.37, 309,899.25 and 56,828.21 is: 85,231.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,626.37 : 309,899.25 = 56,828.21 : x
  2. Step 2: Convert to fraction form
    206,626.37/309,899.25 = 56,828.21/x
  3. Step 3: Cross multiply
    206,626.37x = 309,899.25 × 56,828.21
  4. Step 4: Simplify right side
    206,626.37x = 17,611,018,108.35
  5. Step 5: Solve for x
    x = 17,611,018,108.35/206,626.37
  6. Step 6: Final answer
    x = 85,231.22

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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.