Finding the Fourth Proportional to 161,395.44, 222,728.16 and 97,739.28
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Solution
The fourth proportional to 161,395.44, 222,728.16 and 97,739.28 is: 134,881.69
Step by Step Solution
- Step 1: Write the proportion equation
161,395.44 : 222,728.16 = 97,739.28 : x - Step 2: Convert to fraction form
161,395.44/222,728.16 = 97,739.28/x - Step 3: Cross multiply
161,395.44x = 222,728.16 × 97,739.28 - Step 4: Simplify right side
161,395.44x = 21,769,289,994.12 - Step 5: Solve for x
x = 21,769,289,994.12/161,395.44 - Step 6: Final answer
x = 134,881.69
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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.