Finding the Fourth Proportional to 149,317.70, 206,058.42 and 82,249.70
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Solution
The fourth proportional to 149,317.70, 206,058.42 and 82,249.70 is: 113,504.58
Step by Step Solution
- Step 1: Write the proportion equation
149,317.70 : 206,058.42 = 82,249.70 : x - Step 2: Convert to fraction form
149,317.70/206,058.42 = 82,249.70/x - Step 3: Cross multiply
149,317.70x = 206,058.42 × 82,249.70 - Step 4: Simplify right side
149,317.70x = 16,948,242,197.18 - Step 5: Solve for x
x = 16,948,242,197.18/149,317.70 - Step 6: Final answer
x = 113,504.58
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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.