Finding the Fourth Proportional to 137,269.97, 205,856.71 and 41,178.53
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Solution
The fourth proportional to 137,269.97, 205,856.71 and 41,178.53 is: 61,753.32
Step by Step Solution
- Step 1: Write the proportion equation
137,269.97 : 205,856.71 = 41,178.53 : x - Step 2: Convert to fraction form
137,269.97/205,856.71 = 41,178.53/x - Step 3: Cross multiply
137,269.97x = 205,856.71 × 41,178.53 - Step 4: Simplify right side
137,269.97x = 8,476,876,708.44 - Step 5: Solve for x
x = 8,476,876,708.44/137,269.97 - Step 6: Final answer
x = 61,753.32
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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.