Home / 326,621.90-450,787.47-199,371.26

Finding the Fourth Proportional to 326,621.90, 450,787.47 and 199,371.26

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Solution

The fourth proportional to 326,621.90, 450,787.47 and 199,371.26 is: 275,162.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,621.90 : 450,787.47 = 199,371.26 : x
  2. Step 2: Convert to fraction form
    326,621.90/450,787.47 = 199,371.26/x
  3. Step 3: Cross multiply
    326,621.90x = 450,787.47 × 199,371.26
  4. Step 4: Simplify right side
    326,621.90x = 89,874,065,886.11
  5. Step 5: Solve for x
    x = 89,874,065,886.11/326,621.90
  6. Step 6: Final answer
    x = 275,162.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.