Home / 412,760.82-619,202.75-146,499.05

Finding the Fourth Proportional to 412,760.82, 619,202.75 and 146,499.05

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Solution

The fourth proportional to 412,760.82, 619,202.75 and 146,499.05 is: 219,770.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,760.82 : 619,202.75 = 146,499.05 : x
  2. Step 2: Convert to fraction form
    412,760.82/619,202.75 = 146,499.05/x
  3. Step 3: Cross multiply
    412,760.82x = 619,202.75 × 146,499.05
  4. Step 4: Simplify right side
    412,760.82x = 90,712,610,803.88
  5. Step 5: Solve for x
    x = 90,712,610,803.88/412,760.82
  6. Step 6: Final answer
    x = 219,770.40

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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.