Home / 205,428.78-283,504.86-114,784.98

Finding the Fourth Proportional to 205,428.78, 283,504.86 and 114,784.98

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Solution

The fourth proportional to 205,428.78, 283,504.86 and 114,784.98 is: 158,410.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,428.78 : 283,504.86 = 114,784.98 : x
  2. Step 2: Convert to fraction form
    205,428.78/283,504.86 = 114,784.98/x
  3. Step 3: Cross multiply
    205,428.78x = 283,504.86 × 114,784.98
  4. Step 4: Simplify right side
    205,428.78x = 32,542,099,685.00
  5. Step 5: Solve for x
    x = 32,542,099,685.00/205,428.78
  6. Step 6: Final answer
    x = 158,410.62

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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.