Home / 454,834.90-682,313.10-155,240.20

Finding the Fourth Proportional to 454,834.90, 682,313.10 and 155,240.20

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Solution

The fourth proportional to 454,834.90, 682,313.10 and 155,240.20 is: 232,881.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,834.90 : 682,313.10 = 155,240.20 : x
  2. Step 2: Convert to fraction form
    454,834.90/682,313.10 = 155,240.20/x
  3. Step 3: Cross multiply
    454,834.90x = 682,313.10 × 155,240.20
  4. Step 4: Simplify right side
    454,834.90x = 105,922,422,106.62
  5. Step 5: Solve for x
    x = 105,922,422,106.62/454,834.90
  6. Step 6: Final answer
    x = 232,881.03

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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.