Finding the Fourth Proportional to 149,073.09, 205,651.76 and 88,609.83
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Solution
The fourth proportional to 149,073.09, 205,651.76 and 88,609.83 is: 122,240.49
Step by Step Solution
- Step 1: Write the proportion equation
149,073.09 : 205,651.76 = 88,609.83 : x - Step 2: Convert to fraction form
149,073.09/205,651.76 = 88,609.83/x - Step 3: Cross multiply
149,073.09x = 205,651.76 × 88,609.83 - Step 4: Simplify right side
149,073.09x = 18,222,767,049.75 - Step 5: Solve for x
x = 18,222,767,049.75/149,073.09 - Step 6: Final answer
x = 122,240.49
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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.