Finding the Fourth Proportional to 151,844.16, 209,544.96 and 88,186.06
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Solution
The fourth proportional to 151,844.16, 209,544.96 and 88,186.06 is: 121,696.77
Step by Step Solution
- Step 1: Write the proportion equation
151,844.16 : 209,544.96 = 88,186.06 : x - Step 2: Convert to fraction form
151,844.16/209,544.96 = 88,186.06/x - Step 3: Cross multiply
151,844.16x = 209,544.96 × 88,186.06 - Step 4: Simplify right side
151,844.16x = 18,478,944,415.26 - Step 5: Solve for x
x = 18,478,944,415.26/151,844.16 - Step 6: Final answer
x = 121,696.77
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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.