Home / 672,106.40-1,008,356.42-198,804.36

Finding the Fourth Proportional to 672,106.40, 1,008,356.42 and 198,804.36

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Solution

The fourth proportional to 672,106.40, 1,008,356.42 and 198,804.36 is: 298,264.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,106.40 : 1,008,356.42 = 198,804.36 : x
  2. Step 2: Convert to fraction form
    672,106.40/1,008,356.42 = 198,804.36/x
  3. Step 3: Cross multiply
    672,106.40x = 1,008,356.42 × 198,804.36
  4. Step 4: Simplify right side
    672,106.40x = 200,465,653,227.00
  5. Step 5: Solve for x
    x = 200,465,653,227.00/672,106.40
  6. Step 6: Final answer
    x = 298,264.76

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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.