Home / 380,022.80-569,658.20-179,991.60

Finding the Fourth Proportional to 380,022.80, 569,658.20 and 179,991.60

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Solution

The fourth proportional to 380,022.80, 569,658.20 and 179,991.60 is: 269,809.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,022.80 : 569,658.20 = 179,991.60 : x
  2. Step 2: Convert to fraction form
    380,022.80/569,658.20 = 179,991.60/x
  3. Step 3: Cross multiply
    380,022.80x = 569,658.20 × 179,991.60
  4. Step 4: Simplify right side
    380,022.80x = 102,533,690,871.12
  5. Step 5: Solve for x
    x = 102,533,690,871.12/380,022.80
  6. Step 6: Final answer
    x = 269,809.31

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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.