Home / 455,044.80-682,567.20-202,324.80

Finding the Fourth Proportional to 455,044.80, 682,567.20 and 202,324.80

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Solution

The fourth proportional to 455,044.80, 682,567.20 and 202,324.80 is: 303,487.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,044.80 : 682,567.20 = 202,324.80 : x
  2. Step 2: Convert to fraction form
    455,044.80/682,567.20 = 202,324.80/x
  3. Step 3: Cross multiply
    455,044.80x = 682,567.20 × 202,324.80
  4. Step 4: Simplify right side
    455,044.80x = 138,100,272,226.56
  5. Step 5: Solve for x
    x = 138,100,272,226.56/455,044.80
  6. Step 6: Final answer
    x = 303,487.20

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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.