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Finding the Fourth Proportional to 221,926.87, 332,892.73 and 64,156.69

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Solution

The fourth proportional to 221,926.87, 332,892.73 and 64,156.69 is: 96,235.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,926.87 : 332,892.73 = 64,156.69 : x
  2. Step 2: Convert to fraction form
    221,926.87/332,892.73 = 64,156.69/x
  3. Step 3: Cross multiply
    221,926.87x = 332,892.73 × 64,156.69
  4. Step 4: Simplify right side
    221,926.87x = 21,357,295,681.86
  5. Step 5: Solve for x
    x = 21,357,295,681.86/221,926.87
  6. Step 6: Final answer
    x = 96,235.74

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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.