Finding the Fourth Proportional to 222,259.68, 306,399.60 and 158,486.88
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Solution
The fourth proportional to 222,259.68, 306,399.60 and 158,486.88 is: 218,484.60
Step by Step Solution
- Step 1: Write the proportion equation
222,259.68 : 306,399.60 = 158,486.88 : x - Step 2: Convert to fraction form
222,259.68/306,399.60 = 158,486.88/x - Step 3: Cross multiply
222,259.68x = 306,399.60 × 158,486.88 - Step 4: Simplify right side
222,259.68x = 48,560,316,637.25 - Step 5: Solve for x
x = 48,560,316,637.25/222,259.68 - Step 6: Final answer
x = 218,484.60
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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.