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Finding the Fourth Proportional to 171,267.01, 256,943.34 and 64,650.76

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Solution

The fourth proportional to 171,267.01, 256,943.34 and 64,650.76 is: 96,992.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,267.01 : 256,943.34 = 64,650.76 : x
  2. Step 2: Convert to fraction form
    171,267.01/256,943.34 = 64,650.76/x
  3. Step 3: Cross multiply
    171,267.01x = 256,943.34 × 64,650.76
  4. Step 4: Simplify right side
    171,267.01x = 16,611,581,565.58
  5. Step 5: Solve for x
    x = 16,611,581,565.58/171,267.01
  6. Step 6: Final answer
    x = 96,992.30

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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.