Home / 454,736.28-682,166.64-155,136.42

Finding the Fourth Proportional to 454,736.28, 682,166.64 and 155,136.42

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Solution

The fourth proportional to 454,736.28, 682,166.64 and 155,136.42 is: 232,725.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,736.28 : 682,166.64 = 155,136.42 : x
  2. Step 2: Convert to fraction form
    454,736.28/682,166.64 = 155,136.42/x
  3. Step 3: Cross multiply
    454,736.28x = 682,166.64 × 155,136.42
  4. Step 4: Simplify right side
    454,736.28x = 105,828,890,373.03
  5. Step 5: Solve for x
    x = 105,828,890,373.03/454,736.28
  6. Step 6: Final answer
    x = 232,725.86

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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.