Home / 855,166.56-1,282,357.20-247,816.80

Finding the Fourth Proportional to 855,166.56, 1,282,357.20 and 247,816.80

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Solution

The fourth proportional to 855,166.56, 1,282,357.20 and 247,816.80 is: 371,611.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,166.56 : 1,282,357.20 = 247,816.80 : x
  2. Step 2: Convert to fraction form
    855,166.56/1,282,357.20 = 247,816.80/x
  3. Step 3: Cross multiply
    855,166.56x = 1,282,357.20 × 247,816.80
  4. Step 4: Simplify right side
    855,166.56x = 317,789,657,760.96
  5. Step 5: Solve for x
    x = 317,789,657,760.96/855,166.56
  6. Step 6: Final answer
    x = 371,611.42

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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.