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Finding the Fourth Proportional to 522,109.51, 783,218.94 and 222,621.73

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Solution

The fourth proportional to 522,109.51, 783,218.94 and 222,621.73 is: 333,955.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,109.51 : 783,218.94 = 222,621.73 : x
  2. Step 2: Convert to fraction form
    522,109.51/783,218.94 = 222,621.73/x
  3. Step 3: Cross multiply
    522,109.51x = 783,218.94 × 222,621.73
  4. Step 4: Simplify right side
    522,109.51x = 174,361,555,391.57
  5. Step 5: Solve for x
    x = 174,361,555,391.57/522,109.51
  6. Step 6: Final answer
    x = 333,955.91

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1.5x scale

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.