Home / 438,814.26-658,223.82-123,273.90

Finding the Fourth Proportional to 438,814.26, 658,223.82 and 123,273.90

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Solution

The fourth proportional to 438,814.26, 658,223.82 and 123,273.90 is: 184,911.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,814.26 : 658,223.82 = 123,273.90 : x
  2. Step 2: Convert to fraction form
    438,814.26/658,223.82 = 123,273.90/x
  3. Step 3: Cross multiply
    438,814.26x = 658,223.82 × 123,273.90
  4. Step 4: Simplify right side
    438,814.26x = 81,141,817,364.30
  5. Step 5: Solve for x
    x = 81,141,817,364.30/438,814.26
  6. Step 6: Final answer
    x = 184,911.53

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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.