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Finding the Fourth Proportional to 285,887.96, 394,267.22 and 178,467.96

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Solution

The fourth proportional to 285,887.96, 394,267.22 and 178,467.96 is: 246,124.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,887.96 : 394,267.22 = 178,467.96 : x
  2. Step 2: Convert to fraction form
    285,887.96/394,267.22 = 178,467.96/x
  3. Step 3: Cross multiply
    285,887.96x = 394,267.22 × 178,467.96
  4. Step 4: Simplify right side
    285,887.96x = 70,364,066,448.27
  5. Step 5: Solve for x
    x = 70,364,066,448.27/285,887.96
  6. Step 6: Final answer
    x = 246,124.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.