Finding the Fourth Proportional to 251,745.27, 347,416.98 and 137,028.09
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Solution
The fourth proportional to 251,745.27, 347,416.98 and 137,028.09 is: 189,103.39
Step by Step Solution
- Step 1: Write the proportion equation
251,745.27 : 347,416.98 = 137,028.09 : x - Step 2: Convert to fraction form
251,745.27/347,416.98 = 137,028.09/x - Step 3: Cross multiply
251,745.27x = 347,416.98 × 137,028.09 - Step 4: Simplify right side
251,745.27x = 47,605,885,202.97 - Step 5: Solve for x
x = 47,605,885,202.97/251,745.27 - Step 6: Final answer
x = 189,103.39
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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.