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Finding the Fourth Proportional to 322,340.46, 483,522.83 and 122,623.62

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Solution

The fourth proportional to 322,340.46, 483,522.83 and 122,623.62 is: 183,940.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,340.46 : 483,522.83 = 122,623.62 : x
  2. Step 2: Convert to fraction form
    322,340.46/483,522.83 = 122,623.62/x
  3. Step 3: Cross multiply
    322,340.46x = 483,522.83 × 122,623.62
  4. Step 4: Simplify right side
    322,340.46x = 59,291,319,767.24
  5. Step 5: Solve for x
    x = 59,291,319,767.24/322,340.46
  6. Step 6: Final answer
    x = 183,940.05

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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.