Home / 672,001.92-1,008,199.74-198,699.60

Finding the Fourth Proportional to 672,001.92, 1,008,199.74 and 198,699.60

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Solution

The fourth proportional to 672,001.92, 1,008,199.74 and 198,699.60 is: 298,107.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,001.92 : 1,008,199.74 = 198,699.60 : x
  2. Step 2: Convert to fraction form
    672,001.92/1,008,199.74 = 198,699.60/x
  3. Step 3: Cross multiply
    672,001.92x = 1,008,199.74 × 198,699.60
  4. Step 4: Simplify right side
    672,001.92x = 200,328,885,058.10
  5. Step 5: Solve for x
    x = 200,328,885,058.10/672,001.92
  6. Step 6: Final answer
    x = 298,107.61

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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.