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Finding the Fourth Proportional to 222,646.74, 334,054.17 and 133,962.53

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Solution

The fourth proportional to 222,646.74, 334,054.17 and 133,962.53 is: 200,994.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,646.74 : 334,054.17 = 133,962.53 : x
  2. Step 2: Convert to fraction form
    222,646.74/334,054.17 = 133,962.53/x
  3. Step 3: Cross multiply
    222,646.74x = 334,054.17 × 133,962.53
  4. Step 4: Simplify right side
    222,646.74x = 44,750,740,099.98
  5. Step 5: Solve for x
    x = 44,750,740,099.98/222,646.74
  6. Step 6: Final answer
    x = 200,994.36

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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.