Finding the Fourth Proportional to 223,302.68, 308,163.44 and 121,327.12
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Solution
The fourth proportional to 223,302.68, 308,163.44 and 121,327.12 is: 167,434.55
Step by Step Solution
- Step 1: Write the proportion equation
223,302.68 : 308,163.44 = 121,327.12 : x - Step 2: Convert to fraction form
223,302.68/308,163.44 = 121,327.12/x - Step 3: Cross multiply
223,302.68x = 308,163.44 × 121,327.12 - Step 4: Simplify right side
223,302.68x = 37,388,582,664.49 - Step 5: Solve for x
x = 37,388,582,664.49/223,302.68 - Step 6: Final answer
x = 167,434.55
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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.