Home / 264,116.19-396,198.03-74,578.47

Finding the Fourth Proportional to 264,116.19, 396,198.03 and 74,578.47

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Solution

The fourth proportional to 264,116.19, 396,198.03 and 74,578.47 is: 111,874.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,116.19 : 396,198.03 = 74,578.47 : x
  2. Step 2: Convert to fraction form
    264,116.19/396,198.03 = 74,578.47/x
  3. Step 3: Cross multiply
    264,116.19x = 396,198.03 × 74,578.47
  4. Step 4: Simplify right side
    264,116.19x = 29,547,843,916.95
  5. Step 5: Solve for x
    x = 29,547,843,916.95/264,116.19
  6. Step 6: Final answer
    x = 111,874.41

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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.