Home / 272,665.03-408,388.48-197,612.88

Finding the Fourth Proportional to 272,665.03, 408,388.48 and 197,612.88

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Solution

The fourth proportional to 272,665.03, 408,388.48 and 197,612.88 is: 295,977.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,665.03 : 408,388.48 = 197,612.88 : x
  2. Step 2: Convert to fraction form
    272,665.03/408,388.48 = 197,612.88/x
  3. Step 3: Cross multiply
    272,665.03x = 408,388.48 × 197,612.88
  4. Step 4: Simplify right side
    272,665.03x = 80,702,825,074.89
  5. Step 5: Solve for x
    x = 80,702,825,074.89/272,665.03
  6. Step 6: Final answer
    x = 295,977.91

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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.