Finding the Fourth Proportional to 151,351.15, 227,026.73 and 84,921.03
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Solution
The fourth proportional to 151,351.15, 227,026.73 and 84,921.03 is: 127,381.55
Step by Step Solution
- Step 1: Write the proportion equation
151,351.15 : 227,026.73 = 84,921.03 : x - Step 2: Convert to fraction form
151,351.15/227,026.73 = 84,921.03/x - Step 3: Cross multiply
151,351.15x = 227,026.73 × 84,921.03 - Step 4: Simplify right side
151,351.15x = 19,279,343,749.13 - Step 5: Solve for x
x = 19,279,343,749.13/151,351.15 - Step 6: Final answer
x = 127,381.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.