Finding the Fourth Proportional to 161,316.36, 222,611.98 and 89,695.08
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Solution
The fourth proportional to 161,316.36, 222,611.98 and 89,695.08 is: 123,776.65
Step by Step Solution
- Step 1: Write the proportion equation
161,316.36 : 222,611.98 = 89,695.08 : x - Step 2: Convert to fraction form
161,316.36/222,611.98 = 89,695.08/x - Step 3: Cross multiply
161,316.36x = 222,611.98 × 89,695.08 - Step 4: Simplify right side
161,316.36x = 19,967,199,355.06 - Step 5: Solve for x
x = 19,967,199,355.06/161,316.36 - Step 6: Final answer
x = 123,776.65
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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.