Home / 628,142.38-941,754.27-201,435.31

Finding the Fourth Proportional to 628,142.38, 941,754.27 and 201,435.31

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Solution

The fourth proportional to 628,142.38, 941,754.27 and 201,435.31 is: 302,005.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,142.38 : 941,754.27 = 201,435.31 : x
  2. Step 2: Convert to fraction form
    628,142.38/941,754.27 = 201,435.31/x
  3. Step 3: Cross multiply
    628,142.38x = 941,754.27 × 201,435.31
  4. Step 4: Simplify right side
    628,142.38x = 189,702,563,743.08
  5. Step 5: Solve for x
    x = 189,702,563,743.08/628,142.38
  6. Step 6: Final answer
    x = 302,005.68

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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.