Home / 672,124.20-1,008,186.32-198,772.71

Finding the Fourth Proportional to 672,124.20, 1,008,186.32 and 198,772.71

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Solution

The fourth proportional to 672,124.20, 1,008,186.32 and 198,772.71 is: 298,159.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,124.20 : 1,008,186.32 = 198,772.71 : x
  2. Step 2: Convert to fraction form
    672,124.20/1,008,186.32 = 198,772.71/x
  3. Step 3: Cross multiply
    672,124.20x = 1,008,186.32 × 198,772.71
  4. Step 4: Simplify right side
    672,124.20x = 200,399,927,011.33
  5. Step 5: Solve for x
    x = 200,399,927,011.33/672,124.20
  6. Step 6: Final answer
    x = 298,159.07

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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.