Home / 672,000.92-1,008,198.24-198,698.60

Finding the Fourth Proportional to 672,000.92, 1,008,198.24 and 198,698.60

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Solution

The fourth proportional to 672,000.92, 1,008,198.24 and 198,698.60 is: 298,106.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,000.92 : 1,008,198.24 = 198,698.60 : x
  2. Step 2: Convert to fraction form
    672,000.92/1,008,198.24 = 198,698.60/x
  3. Step 3: Cross multiply
    672,000.92x = 1,008,198.24 × 198,698.60
  4. Step 4: Simplify right side
    672,000.92x = 200,327,578,810.46
  5. Step 5: Solve for x
    x = 200,327,578,810.46/672,000.92
  6. Step 6: Final answer
    x = 298,106.11

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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.