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Finding the Fourth Proportional to 222,655.32, 333,983.26 and 54,175.67

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Solution

The fourth proportional to 222,655.32, 333,983.26 and 54,175.67 is: 81,263.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,655.32 : 333,983.26 = 54,175.67 : x
  2. Step 2: Convert to fraction form
    222,655.32/333,983.26 = 54,175.67/x
  3. Step 3: Cross multiply
    222,655.32x = 333,983.26 × 54,175.67
  4. Step 4: Simplify right side
    222,655.32x = 18,093,768,014.70
  5. Step 5: Solve for x
    x = 18,093,768,014.70/222,655.32
  6. Step 6: Final answer
    x = 81,263.58

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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.