Home / 340,972.20-511,458.30-151,388.01

Finding the Fourth Proportional to 340,972.20, 511,458.30 and 151,388.01

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Solution

The fourth proportional to 340,972.20, 511,458.30 and 151,388.01 is: 227,082.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,972.20 : 511,458.30 = 151,388.01 : x
  2. Step 2: Convert to fraction form
    340,972.20/511,458.30 = 151,388.01/x
  3. Step 3: Cross multiply
    340,972.20x = 511,458.30 × 151,388.01
  4. Step 4: Simplify right side
    340,972.20x = 77,428,654,234.98
  5. Step 5: Solve for x
    x = 77,428,654,234.98/340,972.20
  6. Step 6: Final answer
    x = 227,082.02

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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.