Finding the Fourth Proportional to 151,776.96, 209,452.26 and 83,793.99
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Solution
The fourth proportional to 151,776.96, 209,452.26 and 83,793.99 is: 115,635.74
Step by Step Solution
- Step 1: Write the proportion equation
151,776.96 : 209,452.26 = 83,793.99 : x - Step 2: Convert to fraction form
151,776.96/209,452.26 = 83,793.99/x - Step 3: Cross multiply
151,776.96x = 209,452.26 × 83,793.99 - Step 4: Simplify right side
151,776.96x = 17,550,840,579.92 - Step 5: Solve for x
x = 17,550,840,579.92/151,776.96 - Step 6: Final answer
x = 115,635.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.