Home / 672,002.20-1,008,003.30-198,692.20

Finding the Fourth Proportional to 672,002.20, 1,008,003.30 and 198,692.20

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Solution

The fourth proportional to 672,002.20, 1,008,003.30 and 198,692.20 is: 298,038.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,002.20 : 1,008,003.30 = 198,692.20 : x
  2. Step 2: Convert to fraction form
    672,002.20/1,008,003.30 = 198,692.20/x
  3. Step 3: Cross multiply
    672,002.20x = 1,008,003.30 × 198,692.20
  4. Step 4: Simplify right side
    672,002.20x = 200,282,393,284.26
  5. Step 5: Solve for x
    x = 200,282,393,284.26/672,002.20
  6. Step 6: Final answer
    x = 298,038.30

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Similar ratio
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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.