Home / 427,201.21-589,537.82-243,434.52

Finding the Fourth Proportional to 427,201.21, 589,537.82 and 243,434.52

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Solution

The fourth proportional to 427,201.21, 589,537.82 and 243,434.52 is: 335,939.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,201.21 : 589,537.82 = 243,434.52 : x
  2. Step 2: Convert to fraction form
    427,201.21/589,537.82 = 243,434.52/x
  3. Step 3: Cross multiply
    427,201.21x = 589,537.82 × 243,434.52
  4. Step 4: Simplify right side
    427,201.21x = 143,513,858,660.02
  5. Step 5: Solve for x
    x = 143,513,858,660.02/427,201.21
  6. Step 6: Final answer
    x = 335,939.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.