Home / 548,999.42-823,340.70-189,155.60

Finding the Fourth Proportional to 548,999.42, 823,340.70 and 189,155.60

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Solution

The fourth proportional to 548,999.42, 823,340.70 and 189,155.60 is: 283,678.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,999.42 : 823,340.70 = 189,155.60 : x
  2. Step 2: Convert to fraction form
    548,999.42/823,340.70 = 189,155.60/x
  3. Step 3: Cross multiply
    548,999.42x = 823,340.70 × 189,155.60
  4. Step 4: Simplify right side
    548,999.42x = 155,739,504,112.92
  5. Step 5: Solve for x
    x = 155,739,504,112.92/548,999.42
  6. Step 6: Final answer
    x = 283,678.81

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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.