Home / 378,002.40-567,052.20-188,559.60

Finding the Fourth Proportional to 378,002.40, 567,052.20 and 188,559.60

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Solution

The fourth proportional to 378,002.40, 567,052.20 and 188,559.60 is: 282,863.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,002.40 : 567,052.20 = 188,559.60 : x
  2. Step 2: Convert to fraction form
    378,002.40/567,052.20 = 188,559.60/x
  3. Step 3: Cross multiply
    378,002.40x = 567,052.20 × 188,559.60
  4. Step 4: Simplify right side
    378,002.40x = 106,923,136,011.12
  5. Step 5: Solve for x
    x = 106,923,136,011.12/378,002.40
  6. Step 6: Final answer
    x = 282,863.64

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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.