Finding the Fourth Proportional to 121,450.75, 182,205.30 and 38,344.75
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Solution
The fourth proportional to 121,450.75, 182,205.30 and 38,344.75 is: 57,526.34
Step by Step Solution
- Step 1: Write the proportion equation
121,450.75 : 182,205.30 = 38,344.75 : x - Step 2: Convert to fraction form
121,450.75/182,205.30 = 38,344.75/x - Step 3: Cross multiply
121,450.75x = 182,205.30 × 38,344.75 - Step 4: Simplify right side
121,450.75x = 6,986,616,677.18 - Step 5: Solve for x
x = 6,986,616,677.18/121,450.75 - Step 6: Final answer
x = 57,526.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.