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Finding the Fourth Proportional to 561,261.81, 842,224.86 and 206,524.92

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Solution

The fourth proportional to 561,261.81, 842,224.86 and 206,524.92 is: 309,909.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,261.81 : 842,224.86 = 206,524.92 : x
  2. Step 2: Convert to fraction form
    561,261.81/842,224.86 = 206,524.92/x
  3. Step 3: Cross multiply
    561,261.81x = 842,224.86 × 206,524.92
  4. Step 4: Simplify right side
    561,261.81x = 173,940,421,833.51
  5. Step 5: Solve for x
    x = 173,940,421,833.51/561,261.81
  6. Step 6: Final answer
    x = 309,909.60

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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.