Finding the Fourth Proportional to 189,066.48, 260,552.87 and 135,258.09
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Solution
The fourth proportional to 189,066.48, 260,552.87 and 135,258.09 is: 186,399.42
Step by Step Solution
- Step 1: Write the proportion equation
189,066.48 : 260,552.87 = 135,258.09 : x - Step 2: Convert to fraction form
189,066.48/260,552.87 = 135,258.09/x - Step 3: Cross multiply
189,066.48x = 260,552.87 × 135,258.09 - Step 4: Simplify right side
189,066.48x = 35,241,882,863.93 - Step 5: Solve for x
x = 35,241,882,863.93/189,066.48 - Step 6: Final answer
x = 186,399.42
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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.