Finding the Fourth Proportional to 163,093.80, 244,640.70 and 115,854.60
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Solution
The fourth proportional to 163,093.80, 244,640.70 and 115,854.60 is: 173,781.90
Step by Step Solution
- Step 1: Write the proportion equation
163,093.80 : 244,640.70 = 115,854.60 : x - Step 2: Convert to fraction form
163,093.80/244,640.70 = 115,854.60/x - Step 3: Cross multiply
163,093.80x = 244,640.70 × 115,854.60 - Step 4: Simplify right side
163,093.80x = 28,342,750,442.22 - Step 5: Solve for x
x = 28,342,750,442.22/163,093.80 - Step 6: Final answer
x = 173,781.90
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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.