Finding the Fourth Proportional to 151,992.60, 209,743.26 and 84,006.06
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Solution
The fourth proportional to 151,992.60, 209,743.26 and 84,006.06 is: 115,924.75
Step by Step Solution
- Step 1: Write the proportion equation
151,992.60 : 209,743.26 = 84,006.06 : x - Step 2: Convert to fraction form
151,992.60/209,743.26 = 84,006.06/x - Step 3: Cross multiply
151,992.60x = 209,743.26 × 84,006.06 - Step 4: Simplify right side
151,992.60x = 17,619,704,884.16 - Step 5: Solve for x
x = 17,619,704,884.16/151,992.60 - Step 6: Final answer
x = 115,924.75
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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.