Home / 412,942.20-619,259.70-163,572.60

Finding the Fourth Proportional to 412,942.20, 619,259.70 and 163,572.60

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Solution

The fourth proportional to 412,942.20, 619,259.70 and 163,572.60 is: 245,298.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,942.20 : 619,259.70 = 163,572.60 : x
  2. Step 2: Convert to fraction form
    412,942.20/619,259.70 = 163,572.60/x
  3. Step 3: Cross multiply
    412,942.20x = 619,259.70 × 163,572.60
  4. Step 4: Simplify right side
    412,942.20x = 101,293,919,204.22
  5. Step 5: Solve for x
    x = 101,293,919,204.22/412,942.20
  6. Step 6: Final answer
    x = 245,298.06

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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.