Finding the Fourth Proportional to 157,190.62, 216,858.96 and 96,743.02
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Solution
The fourth proportional to 157,190.62, 216,858.96 and 96,743.02 is: 133,465.92
Step by Step Solution
- Step 1: Write the proportion equation
157,190.62 : 216,858.96 = 96,743.02 : x - Step 2: Convert to fraction form
157,190.62/216,858.96 = 96,743.02/x - Step 3: Cross multiply
157,190.62x = 216,858.96 × 96,743.02 - Step 4: Simplify right side
157,190.62x = 20,979,590,704.46 - Step 5: Solve for x
x = 20,979,590,704.46/157,190.62 - Step 6: Final answer
x = 133,465.92
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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.