Home / 765,369.24-1,148,131.68-204,443.16

Finding the Fourth Proportional to 765,369.24, 1,148,131.68 and 204,443.16

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Solution

The fourth proportional to 765,369.24, 1,148,131.68 and 204,443.16 is: 306,685.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,369.24 : 1,148,131.68 = 204,443.16 : x
  2. Step 2: Convert to fraction form
    765,369.24/1,148,131.68 = 204,443.16/x
  3. Step 3: Cross multiply
    765,369.24x = 1,148,131.68 × 204,443.16
  4. Step 4: Simplify right side
    765,369.24x = 234,727,668,755.31
  5. Step 5: Solve for x
    x = 234,727,668,755.31/765,369.24
  6. Step 6: Final answer
    x = 306,685.53

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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.