Finding the Fourth Proportional to 132,211.55, 182,450.90 and 71,780.99
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Solution
The fourth proportional to 132,211.55, 182,450.90 and 71,780.99 is: 99,057.19
Step by Step Solution
- Step 1: Write the proportion equation
132,211.55 : 182,450.90 = 71,780.99 : x - Step 2: Convert to fraction form
132,211.55/182,450.90 = 71,780.99/x - Step 3: Cross multiply
132,211.55x = 182,450.90 × 71,780.99 - Step 4: Simplify right side
132,211.55x = 13,096,505,495.59 - Step 5: Solve for x
x = 13,096,505,495.59/132,211.55 - Step 6: Final answer
x = 99,057.19
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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.