Finding the Fourth Proportional to 151,844.42, 209,546.87 and 83,863.08
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Solution
The fourth proportional to 151,844.42, 209,546.87 and 83,863.08 is: 115,731.91
Step by Step Solution
- Step 1: Write the proportion equation
151,844.42 : 209,546.87 = 83,863.08 : x - Step 2: Convert to fraction form
151,844.42/209,546.87 = 83,863.08/x - Step 3: Cross multiply
151,844.42x = 209,546.87 × 83,863.08 - Step 4: Simplify right side
151,844.42x = 17,573,245,503.24 - Step 5: Solve for x
x = 17,573,245,503.24/151,844.42 - Step 6: Final answer
x = 115,731.91
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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.