Home / 672,115.02-1,008,369.36-198,813

Finding the Fourth Proportional to 672,115.02, 1,008,369.36 and 198,813

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Solution

The fourth proportional to 672,115.02, 1,008,369.36 and 198,813 is: 298,277.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,115.02 : 1,008,369.36 = 198,813 : x
  2. Step 2: Convert to fraction form
    672,115.02/1,008,369.36 = 198,813/x
  3. Step 3: Cross multiply
    672,115.02x = 1,008,369.36 × 198,813
  4. Step 4: Simplify right side
    672,115.02x = 200,476,937,569.68
  5. Step 5: Solve for x
    x = 200,476,937,569.68/672,115.02
  6. Step 6: Final answer
    x = 298,277.72

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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.