Home / 204,378.19-306,578.22-64,147.75

Finding the Fourth Proportional to 204,378.19, 306,578.22 and 64,147.75

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Solution

The fourth proportional to 204,378.19, 306,578.22 and 64,147.75 is: 96,225.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,378.19 : 306,578.22 = 64,147.75 : x
  2. Step 2: Convert to fraction form
    204,378.19/306,578.22 = 64,147.75/x
  3. Step 3: Cross multiply
    204,378.19x = 306,578.22 × 64,147.75
  4. Step 4: Simplify right side
    204,378.19x = 19,666,302,005.01
  5. Step 5: Solve for x
    x = 19,666,302,005.01/204,378.19
  6. Step 6: Final answer
    x = 96,225.05

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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.