Home / 285,149.06-393,604.02-164,338.58

Finding the Fourth Proportional to 285,149.06, 393,604.02 and 164,338.58

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Solution

The fourth proportional to 285,149.06, 393,604.02 and 164,338.58 is: 226,843.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,149.06 : 393,604.02 = 164,338.58 : x
  2. Step 2: Convert to fraction form
    285,149.06/393,604.02 = 164,338.58/x
  3. Step 3: Cross multiply
    285,149.06x = 393,604.02 × 164,338.58
  4. Step 4: Simplify right side
    285,149.06x = 64,684,325,729.09
  5. Step 5: Solve for x
    x = 64,684,325,729.09/285,149.06
  6. Step 6: Final answer
    x = 226,843.90

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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.