Home / 285,904.50-394,799.02-178,657.80

Finding the Fourth Proportional to 285,904.50, 394,799.02 and 178,657.80

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Solution

The fourth proportional to 285,904.50, 394,799.02 and 178,657.80 is: 246,704.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,904.50 : 394,799.02 = 178,657.80 : x
  2. Step 2: Convert to fraction form
    285,904.50/394,799.02 = 178,657.80/x
  3. Step 3: Cross multiply
    285,904.50x = 394,799.02 × 178,657.80
  4. Step 4: Simplify right side
    285,904.50x = 70,533,924,355.36
  5. Step 5: Solve for x
    x = 70,533,924,355.36/285,904.50
  6. Step 6: Final answer
    x = 246,704.49

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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.