Finding the Fourth Proportional to 218,617.99, 301,685.72 and 133,735.05
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Solution
The fourth proportional to 218,617.99, 301,685.72 and 133,735.05 is: 184,550.02
Step by Step Solution
- Step 1: Write the proportion equation
218,617.99 : 301,685.72 = 133,735.05 : x - Step 2: Convert to fraction form
218,617.99/301,685.72 = 133,735.05/x - Step 3: Cross multiply
218,617.99x = 301,685.72 × 133,735.05 - Step 4: Simplify right side
218,617.99x = 40,345,954,179.81 - Step 5: Solve for x
x = 40,345,954,179.81/218,617.99 - Step 6: Final answer
x = 184,550.02
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1.5x scale
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.