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Finding the Fourth Proportional to 558,911.80, 838,367.70 and 222,032.80

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Solution

The fourth proportional to 558,911.80, 838,367.70 and 222,032.80 is: 333,049.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,911.80 : 838,367.70 = 222,032.80 : x
  2. Step 2: Convert to fraction form
    558,911.80/838,367.70 = 222,032.80/x
  3. Step 3: Cross multiply
    558,911.80x = 838,367.70 × 222,032.80
  4. Step 4: Simplify right side
    558,911.80x = 186,145,127,860.56
  5. Step 5: Solve for x
    x = 186,145,127,860.56/558,911.80
  6. Step 6: Final answer
    x = 333,049.20

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Similar ratio
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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.