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Finding the Fourth Proportional to 222,591.60, 333,888 and 64,823.92

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Solution

The fourth proportional to 222,591.60, 333,888 and 64,823.92 is: 97,236.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,591.60 : 333,888 = 64,823.92 : x
  2. Step 2: Convert to fraction form
    222,591.60/333,888 = 64,823.92/x
  3. Step 3: Cross multiply
    222,591.60x = 333,888 × 64,823.92
  4. Step 4: Simplify right side
    222,591.60x = 21,643,929,000.96
  5. Step 5: Solve for x
    x = 21,643,929,000.96/222,591.60
  6. Step 6: Final answer
    x = 97,236.05

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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.