Home / 672,021.90-1,008,032.85-198,665.10

Finding the Fourth Proportional to 672,021.90, 1,008,032.85 and 198,665.10

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Solution

The fourth proportional to 672,021.90, 1,008,032.85 and 198,665.10 is: 297,997.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,021.90 : 1,008,032.85 = 198,665.10 : x
  2. Step 2: Convert to fraction form
    672,021.90/1,008,032.85 = 198,665.10/x
  3. Step 3: Cross multiply
    672,021.90x = 1,008,032.85 × 198,665.10
  4. Step 4: Simplify right side
    672,021.90x = 200,260,946,948.54
  5. Step 5: Solve for x
    x = 200,260,946,948.54/672,021.90
  6. Step 6: Final answer
    x = 297,997.65

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Similar ratio
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1.5x scale

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.