Home / 403,857.06-557,232.93-231,764.46

Finding the Fourth Proportional to 403,857.06, 557,232.93 and 231,764.46

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Solution

The fourth proportional to 403,857.06, 557,232.93 and 231,764.46 is: 319,783.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,857.06 : 557,232.93 = 231,764.46 : x
  2. Step 2: Convert to fraction form
    403,857.06/557,232.93 = 231,764.46/x
  3. Step 3: Cross multiply
    403,857.06x = 557,232.93 × 231,764.46
  4. Step 4: Simplify right side
    403,857.06x = 129,146,789,115.67
  5. Step 5: Solve for x
    x = 129,146,789,115.67/403,857.06
  6. Step 6: Final answer
    x = 319,783.41

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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.