Home / 455,033.09-682,549.94-188,722.10

Finding the Fourth Proportional to 455,033.09, 682,549.94 and 188,722.10

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Solution

The fourth proportional to 455,033.09, 682,549.94 and 188,722.10 is: 283,083.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,033.09 : 682,549.94 = 188,722.10 : x
  2. Step 2: Convert to fraction form
    455,033.09/682,549.94 = 188,722.10/x
  3. Step 3: Cross multiply
    455,033.09x = 682,549.94 × 188,722.10
  4. Step 4: Simplify right side
    455,033.09x = 128,812,260,209.85
  5. Step 5: Solve for x
    x = 128,812,260,209.85/455,033.09
  6. Step 6: Final answer
    x = 283,083.28

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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.