Home / 206,258.85-309,388.52-56,500.43

Finding the Fourth Proportional to 206,258.85, 309,388.52 and 56,500.43

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Solution

The fourth proportional to 206,258.85, 309,388.52 and 56,500.43 is: 84,750.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,258.85 : 309,388.52 = 56,500.43 : x
  2. Step 2: Convert to fraction form
    206,258.85/309,388.52 = 56,500.43/x
  3. Step 3: Cross multiply
    206,258.85x = 309,388.52 × 56,500.43
  4. Step 4: Simplify right side
    206,258.85x = 17,480,584,417.06
  5. Step 5: Solve for x
    x = 17,480,584,417.06/206,258.85
  6. Step 6: Final answer
    x = 84,750.71

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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.