Home / 672,112.02-1,008,364.86-198,810

Finding the Fourth Proportional to 672,112.02, 1,008,364.86 and 198,810

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Solution

The fourth proportional to 672,112.02, 1,008,364.86 and 198,810 is: 298,273.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,112.02 : 1,008,364.86 = 198,810 : x
  2. Step 2: Convert to fraction form
    672,112.02/1,008,364.86 = 198,810/x
  3. Step 3: Cross multiply
    672,112.02x = 1,008,364.86 × 198,810
  4. Step 4: Simplify right side
    672,112.02x = 200,473,017,816.60
  5. Step 5: Solve for x
    x = 200,473,017,816.60/672,112.02
  6. Step 6: Final answer
    x = 298,273.22

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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.