Finding the Fourth Proportional to 188,572.14, 281,081.80 and 173,438.53
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Solution
The fourth proportional to 188,572.14, 281,081.80 and 173,438.53 is: 258,523.95
Step by Step Solution
- Step 1: Write the proportion equation
188,572.14 : 281,081.80 = 173,438.53 : x - Step 2: Convert to fraction form
188,572.14/281,081.80 = 173,438.53/x - Step 3: Cross multiply
188,572.14x = 281,081.80 × 173,438.53 - Step 4: Simplify right side
188,572.14x = 48,750,413,715.85 - Step 5: Solve for x
x = 48,750,413,715.85/188,572.14 - Step 6: Final answer
x = 258,523.95
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.