Home / 628,143.38-941,755.77-201,436.31

Finding the Fourth Proportional to 628,143.38, 941,755.77 and 201,436.31

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Solution

The fourth proportional to 628,143.38, 941,755.77 and 201,436.31 is: 302,007.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,143.38 : 941,755.77 = 201,436.31 : x
  2. Step 2: Convert to fraction form
    628,143.38/941,755.77 = 201,436.31/x
  3. Step 3: Cross multiply
    628,143.38x = 941,755.77 × 201,436.31
  4. Step 4: Simplify right side
    628,143.38x = 189,703,807,230.01
  5. Step 5: Solve for x
    x = 189,703,807,230.01/628,143.38
  6. Step 6: Final answer
    x = 302,007.17

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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.