Home / 262,815.90-394,223.85-122,588.70

Finding the Fourth Proportional to 262,815.90, 394,223.85 and 122,588.70

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Solution

The fourth proportional to 262,815.90, 394,223.85 and 122,588.70 is: 183,883.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,815.90 : 394,223.85 = 122,588.70 : x
  2. Step 2: Convert to fraction form
    262,815.90/394,223.85 = 122,588.70/x
  3. Step 3: Cross multiply
    262,815.90x = 394,223.85 × 122,588.70
  4. Step 4: Simplify right side
    262,815.90x = 48,327,389,280.50
  5. Step 5: Solve for x
    x = 48,327,389,280.50/262,815.90
  6. Step 6: Final answer
    x = 183,883.05

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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.