Finding the Fourth Proportional to 151,460.38, 209,027.34 and 83,489.44
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Solution
The fourth proportional to 151,460.38, 209,027.34 and 83,489.44 is: 115,222.05
Step by Step Solution
- Step 1: Write the proportion equation
151,460.38 : 209,027.34 = 83,489.44 : x - Step 2: Convert to fraction form
151,460.38/209,027.34 = 83,489.44/x - Step 3: Cross multiply
151,460.38x = 209,027.34 × 83,489.44 - Step 4: Simplify right side
151,460.38x = 17,451,575,561.29 - Step 5: Solve for x
x = 17,451,575,561.29/151,460.38 - Step 6: Final answer
x = 115,222.05
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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.