Home / 454,964.90-682,382.55-155,459.30

Finding the Fourth Proportional to 454,964.90, 682,382.55 and 155,459.30

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Solution

The fourth proportional to 454,964.90, 682,382.55 and 155,459.30 is: 233,166.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,964.90 : 682,382.55 = 155,459.30 : x
  2. Step 2: Convert to fraction form
    454,964.90/682,382.55 = 155,459.30/x
  3. Step 3: Cross multiply
    454,964.90x = 682,382.55 × 155,459.30
  4. Step 4: Simplify right side
    454,964.90x = 106,082,713,555.22
  5. Step 5: Solve for x
    x = 106,082,713,555.22/454,964.90
  6. Step 6: Final answer
    x = 233,166.81

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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.