Finding the Fourth Proportional to 151,954.92, 209,742.21 and 88,318.08
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Solution
The fourth proportional to 151,954.92, 209,742.21 and 88,318.08 is: 121,904.77
Step by Step Solution
- Step 1: Write the proportion equation
151,954.92 : 209,742.21 = 88,318.08 : x - Step 2: Convert to fraction form
151,954.92/209,742.21 = 88,318.08/x - Step 3: Cross multiply
151,954.92x = 209,742.21 × 88,318.08 - Step 4: Simplify right side
151,954.92x = 18,524,029,282.16 - Step 5: Solve for x
x = 18,524,029,282.16/151,954.92 - Step 6: Final answer
x = 121,904.77
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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.