Finding the Fourth Proportional to 209,640.60, 314,590.50 and 84,982.68
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Solution
The fourth proportional to 209,640.60, 314,590.50 and 84,982.68 is: 127,526.56
Step by Step Solution
- Step 1: Write the proportion equation
209,640.60 : 314,590.50 = 84,982.68 : x - Step 2: Convert to fraction form
209,640.60/314,590.50 = 84,982.68/x - Step 3: Cross multiply
209,640.60x = 314,590.50 × 84,982.68 - Step 4: Simplify right side
209,640.60x = 26,734,743,792.54 - Step 5: Solve for x
x = 26,734,743,792.54/209,640.60 - Step 6: Final answer
x = 127,526.56
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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.