Finding the Fourth Proportional to 149,318.07, 206,058.93 and 82,250.07
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Solution
The fourth proportional to 149,318.07, 206,058.93 and 82,250.07 is: 113,505.09
Step by Step Solution
- Step 1: Write the proportion equation
149,318.07 : 206,058.93 = 82,250.07 : x - Step 2: Convert to fraction form
149,318.07/206,058.93 = 82,250.07/x - Step 3: Cross multiply
149,318.07x = 206,058.93 × 82,250.07 - Step 4: Simplify right side
149,318.07x = 16,948,361,416.63 - Step 5: Solve for x
x = 16,948,361,416.63/149,318.07 - Step 6: Final answer
x = 113,505.09
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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.