Home / 403,865.53-557,360.76-231,839.22

Finding the Fourth Proportional to 403,865.53, 557,360.76 and 231,839.22

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Solution

The fourth proportional to 403,865.53, 557,360.76 and 231,839.22 is: 319,953.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,865.53 : 557,360.76 = 231,839.22 : x
  2. Step 2: Convert to fraction form
    403,865.53/557,360.76 = 231,839.22/x
  3. Step 3: Cross multiply
    403,865.53x = 557,360.76 × 231,839.22
  4. Step 4: Simplify right side
    403,865.53x = 129,218,083,857.01
  5. Step 5: Solve for x
    x = 129,218,083,857.01/403,865.53
  6. Step 6: Final answer
    x = 319,953.24

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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.