Home / 204,528.57-306,806.84-69,537.69

Finding the Fourth Proportional to 204,528.57, 306,806.84 and 69,537.69

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Solution

The fourth proportional to 204,528.57, 306,806.84 and 69,537.69 is: 104,311.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,528.57 : 306,806.84 = 69,537.69 : x
  2. Step 2: Convert to fraction form
    204,528.57/306,806.84 = 69,537.69/x
  3. Step 3: Cross multiply
    204,528.57x = 306,806.84 × 69,537.69
  4. Step 4: Simplify right side
    204,528.57x = 21,334,638,582.11
  5. Step 5: Solve for x
    x = 21,334,638,582.11/204,528.57
  6. Step 6: Final answer
    x = 104,311.29

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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.