Home / 672,471.81-1,008,710.96-199,166.13

Finding the Fourth Proportional to 672,471.81, 1,008,710.96 and 199,166.13

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Solution

The fourth proportional to 672,471.81, 1,008,710.96 and 199,166.13 is: 298,750.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,471.81 : 1,008,710.96 = 199,166.13 : x
  2. Step 2: Convert to fraction form
    672,471.81/1,008,710.96 = 199,166.13/x
  3. Step 3: Cross multiply
    672,471.81x = 1,008,710.96 × 199,166.13
  4. Step 4: Simplify right side
    672,471.81x = 200,901,057,195.95
  5. Step 5: Solve for x
    x = 200,901,057,195.95/672,471.81
  6. Step 6: Final answer
    x = 298,750.15

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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.