Home / 204,644.02-306,987.36-78,284.02

Finding the Fourth Proportional to 204,644.02, 306,987.36 and 78,284.02

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Solution

The fourth proportional to 204,644.02, 306,987.36 and 78,284.02 is: 117,434.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,644.02 : 306,987.36 = 78,284.02 : x
  2. Step 2: Convert to fraction form
    204,644.02/306,987.36 = 78,284.02/x
  3. Step 3: Cross multiply
    204,644.02x = 306,987.36 × 78,284.02
  4. Step 4: Simplify right side
    204,644.02x = 24,032,204,629.99
  5. Step 5: Solve for x
    x = 24,032,204,629.99/204,644.02
  6. Step 6: Final answer
    x = 117,434.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.