Home / 424,859.21-586,313.19-231,272.49

Finding the Fourth Proportional to 424,859.21, 586,313.19 and 231,272.49

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Solution

The fourth proportional to 424,859.21, 586,313.19 and 231,272.49 is: 319,160.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,859.21 : 586,313.19 = 231,272.49 : x
  2. Step 2: Convert to fraction form
    424,859.21/586,313.19 = 231,272.49/x
  3. Step 3: Cross multiply
    424,859.21x = 586,313.19 × 231,272.49
  4. Step 4: Simplify right side
    424,859.21x = 135,598,111,371.14
  5. Step 5: Solve for x
    x = 135,598,111,371.14/424,859.21
  6. Step 6: Final answer
    x = 319,160.11

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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.