Finding the Fourth Proportional to 164,723.19, 227,230.23 and 100,212.09
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Solution
The fourth proportional to 164,723.19, 227,230.23 and 100,212.09 is: 138,239.29
Step by Step Solution
- Step 1: Write the proportion equation
164,723.19 : 227,230.23 = 100,212.09 : x - Step 2: Convert to fraction form
164,723.19/227,230.23 = 100,212.09/x - Step 3: Cross multiply
164,723.19x = 227,230.23 × 100,212.09 - Step 4: Simplify right side
164,723.19x = 22,771,216,259.48 - Step 5: Solve for x
x = 22,771,216,259.48/164,723.19 - Step 6: Final answer
x = 138,239.29
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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.