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Finding the Fourth Proportional to 303,063.23, 454,496.43 and 143,114.42

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Solution

The fourth proportional to 303,063.23, 454,496.43 and 143,114.42 is: 214,625.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,063.23 : 454,496.43 = 143,114.42 : x
  2. Step 2: Convert to fraction form
    303,063.23/454,496.43 = 143,114.42/x
  3. Step 3: Cross multiply
    303,063.23x = 454,496.43 × 143,114.42
  4. Step 4: Simplify right side
    303,063.23x = 65,044,992,971.52
  5. Step 5: Solve for x
    x = 65,044,992,971.52/303,063.23
  6. Step 6: Final answer
    x = 214,625.16

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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.