Finding the Fourth Proportional to 188,193.19, 282,290.20 and 132,283.49
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Solution
The fourth proportional to 188,193.19, 282,290.20 and 132,283.49 is: 198,425.52
Step by Step Solution
- Step 1: Write the proportion equation
188,193.19 : 282,290.20 = 132,283.49 : x - Step 2: Convert to fraction form
188,193.19/282,290.20 = 132,283.49/x - Step 3: Cross multiply
188,193.19x = 282,290.20 × 132,283.49 - Step 4: Simplify right side
188,193.19x = 37,342,331,026.09 - Step 5: Solve for x
x = 37,342,331,026.09/188,193.19 - Step 6: Final answer
x = 198,425.52
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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.