Home / 454,991.04-682,486.50-155,474.20

Finding the Fourth Proportional to 454,991.04, 682,486.50 and 155,474.20

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Solution

The fourth proportional to 454,991.04, 682,486.50 and 155,474.20 is: 233,211.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,991.04 : 682,486.50 = 155,474.20 : x
  2. Step 2: Convert to fraction form
    454,991.04/682,486.50 = 155,474.20/x
  3. Step 3: Cross multiply
    454,991.04x = 682,486.50 × 155,474.20
  4. Step 4: Simplify right side
    454,991.04x = 106,109,039,185.87
  5. Step 5: Solve for x
    x = 106,109,039,185.87/454,991.04
  6. Step 6: Final answer
    x = 233,211.27

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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.