Home / 656,159.36-984,145.56-206,821.80

Finding the Fourth Proportional to 656,159.36, 984,145.56 and 206,821.80

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Solution

The fourth proportional to 656,159.36, 984,145.56 and 206,821.80 is: 310,203.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,159.36 : 984,145.56 = 206,821.80 : x
  2. Step 2: Convert to fraction form
    656,159.36/984,145.56 = 206,821.80/x
  3. Step 3: Cross multiply
    656,159.36x = 984,145.56 × 206,821.80
  4. Step 4: Simplify right side
    656,159.36x = 203,542,756,181.21
  5. Step 5: Solve for x
    x = 203,542,756,181.21/656,159.36
  6. Step 6: Final answer
    x = 310,203.24

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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.