Home / 455,216.20-682,824.30-155,706.55

Finding the Fourth Proportional to 455,216.20, 682,824.30 and 155,706.55

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Solution

The fourth proportional to 455,216.20, 682,824.30 and 155,706.55 is: 233,559.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,216.20 : 682,824.30 = 155,706.55 : x
  2. Step 2: Convert to fraction form
    455,216.20/682,824.30 = 155,706.55/x
  3. Step 3: Cross multiply
    455,216.20x = 682,824.30 × 155,706.55
  4. Step 4: Simplify right side
    455,216.20x = 106,320,216,009.17
  5. Step 5: Solve for x
    x = 106,320,216,009.17/455,216.20
  6. Step 6: Final answer
    x = 233,559.83

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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.