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Finding the Fourth Proportional to 285,900.26, 394,542.58 and 158,576.77

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Solution

The fourth proportional to 285,900.26, 394,542.58 and 158,576.77 is: 218,836.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,900.26 : 394,542.58 = 158,576.77 : x
  2. Step 2: Convert to fraction form
    285,900.26/394,542.58 = 158,576.77/x
  3. Step 3: Cross multiply
    285,900.26x = 394,542.58 × 158,576.77
  4. Step 4: Simplify right side
    285,900.26x = 62,565,285,991.15
  5. Step 5: Solve for x
    x = 62,565,285,991.15/285,900.26
  6. Step 6: Final answer
    x = 218,836.06

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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.