Finding the Fourth Proportional to 137,691.63, 206,537.45 and 44,262.99
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Solution
The fourth proportional to 137,691.63, 206,537.45 and 44,262.99 is: 66,394.49
Step by Step Solution
- Step 1: Write the proportion equation
137,691.63 : 206,537.45 = 44,262.99 : x - Step 2: Convert to fraction form
137,691.63/206,537.45 = 44,262.99/x - Step 3: Cross multiply
137,691.63x = 206,537.45 × 44,262.99 - Step 4: Simplify right side
137,691.63x = 9,141,964,862.66 - Step 5: Solve for x
x = 9,141,964,862.66/137,691.63 - Step 6: Final answer
x = 66,394.49
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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.