Home / 206,258.63-309,388.18-56,500.21

Finding the Fourth Proportional to 206,258.63, 309,388.18 and 56,500.21

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Solution

The fourth proportional to 206,258.63, 309,388.18 and 56,500.21 is: 84,750.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,258.63 : 309,388.18 = 56,500.21 : x
  2. Step 2: Convert to fraction form
    206,258.63/309,388.18 = 56,500.21/x
  3. Step 3: Cross multiply
    206,258.63x = 309,388.18 × 56,500.21
  4. Step 4: Simplify right side
    206,258.63x = 17,480,497,141.52
  5. Step 5: Solve for x
    x = 17,480,497,141.52/206,258.63
  6. Step 6: Final answer
    x = 84,750.38

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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.