Home / 646,143.88-969,282.09-247,120.27

Finding the Fourth Proportional to 646,143.88, 969,282.09 and 247,120.27

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Solution

The fourth proportional to 646,143.88, 969,282.09 and 247,120.27 is: 370,705.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,143.88 : 969,282.09 = 247,120.27 : x
  2. Step 2: Convert to fraction form
    646,143.88/969,282.09 = 247,120.27/x
  3. Step 3: Cross multiply
    646,143.88x = 969,282.09 × 247,120.27
  4. Step 4: Simplify right side
    646,143.88x = 239,529,251,786.96
  5. Step 5: Solve for x
    x = 239,529,251,786.96/646,143.88
  6. Step 6: Final answer
    x = 370,705.75

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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.