Home / 269,538.23-403,963.86-143,238.98

Finding the Fourth Proportional to 269,538.23, 403,963.86 and 143,238.98

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Solution

The fourth proportional to 269,538.23, 403,963.86 and 143,238.98 is: 214,675.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,538.23 : 403,963.86 = 143,238.98 : x
  2. Step 2: Convert to fraction form
    269,538.23/403,963.86 = 143,238.98/x
  3. Step 3: Cross multiply
    269,538.23x = 403,963.86 × 143,238.98
  4. Step 4: Simplify right side
    269,538.23x = 57,863,372,004.60
  5. Step 5: Solve for x
    x = 57,863,372,004.60/269,538.23
  6. Step 6: Final answer
    x = 214,675.93

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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.