Finding the Fourth Proportional to 222,009.93, 306,369.14 and 121,407.93
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Solution
The fourth proportional to 222,009.93, 306,369.14 and 121,407.93 is: 167,540.45
Step by Step Solution
- Step 1: Write the proportion equation
222,009.93 : 306,369.14 = 121,407.93 : x - Step 2: Convert to fraction form
222,009.93/306,369.14 = 121,407.93/x - Step 3: Cross multiply
222,009.93x = 306,369.14 × 121,407.93 - Step 4: Simplify right side
222,009.93x = 37,195,642,496.24 - Step 5: Solve for x
x = 37,195,642,496.24/222,009.93 - Step 6: Final answer
x = 167,540.45
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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.