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Finding the Fourth Proportional to 577,559.50, 866,131.88 and 222,395.02

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Solution

The fourth proportional to 577,559.50, 866,131.88 and 222,395.02 is: 333,512.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,559.50 : 866,131.88 = 222,395.02 : x
  2. Step 2: Convert to fraction form
    577,559.50/866,131.88 = 222,395.02/x
  3. Step 3: Cross multiply
    577,559.50x = 866,131.88 × 222,395.02
  4. Step 4: Simplify right side
    577,559.50x = 192,623,416,775.24
  5. Step 5: Solve for x
    x = 192,623,416,775.24/577,559.50
  6. Step 6: Final answer
    x = 333,512.68

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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.