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Finding the Fourth Proportional to 285,573.69, 394,094.03 and 158,251.41

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Solution

The fourth proportional to 285,573.69, 394,094.03 and 158,251.41 is: 218,388.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,573.69 : 394,094.03 = 158,251.41 : x
  2. Step 2: Convert to fraction form
    285,573.69/394,094.03 = 158,251.41/x
  3. Step 3: Cross multiply
    285,573.69x = 394,094.03 × 158,251.41
  4. Step 4: Simplify right side
    285,573.69x = 62,365,935,128.83
  5. Step 5: Solve for x
    x = 62,365,935,128.83/285,573.69
  6. Step 6: Final answer
    x = 218,388.24

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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.