Home / 454,743.53-682,185.36-155,154.28

Finding the Fourth Proportional to 454,743.53, 682,185.36 and 155,154.28

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Solution

The fourth proportional to 454,743.53, 682,185.36 and 155,154.28 is: 232,755.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,743.53 : 682,185.36 = 155,154.28 : x
  2. Step 2: Convert to fraction form
    454,743.53/682,185.36 = 155,154.28/x
  3. Step 3: Cross multiply
    454,743.53x = 682,185.36 × 155,154.28
  4. Step 4: Simplify right side
    454,743.53x = 105,843,977,233.71
  5. Step 5: Solve for x
    x = 105,843,977,233.71/454,743.53
  6. Step 6: Final answer
    x = 232,755.32

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1.5x scale

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.