Home / 454,821.85-682,390.09-155,513.13

Finding the Fourth Proportional to 454,821.85, 682,390.09 and 155,513.13

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Solution

The fourth proportional to 454,821.85, 682,390.09 and 155,513.13 is: 233,323.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,821.85 : 682,390.09 = 155,513.13 : x
  2. Step 2: Convert to fraction form
    454,821.85/682,390.09 = 155,513.13/x
  3. Step 3: Cross multiply
    454,821.85x = 682,390.09 × 155,513.13
  4. Step 4: Simplify right side
    454,821.85x = 106,120,616,412.31
  5. Step 5: Solve for x
    x = 106,120,616,412.31/454,821.85
  6. Step 6: Final answer
    x = 233,323.48

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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.