Finding the Fourth Proportional to 306,979.87, 460,543.53 and 117,437.13
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Solution
The fourth proportional to 306,979.87, 460,543.53 and 117,437.13 is: 176,183.90
Step by Step Solution
- Step 1: Write the proportion equation
306,979.87 : 460,543.53 = 117,437.13 : x - Step 2: Convert to fraction form
306,979.87/460,543.53 = 117,437.13/x - Step 3: Cross multiply
306,979.87x = 460,543.53 × 117,437.13 - Step 4: Simplify right side
306,979.87x = 54,084,910,403.27 - Step 5: Solve for x
x = 54,084,910,403.27/306,979.87 - Step 6: Final answer
x = 176,183.90
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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.