Finding the Fourth Proportional to 161,231.13, 222,516.99 and 97,567.56
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Solution
The fourth proportional to 161,231.13, 222,516.99 and 97,567.56 is: 134,654.14
Step by Step Solution
- Step 1: Write the proportion equation
161,231.13 : 222,516.99 = 97,567.56 : x - Step 2: Convert to fraction form
161,231.13/222,516.99 = 97,567.56/x - Step 3: Cross multiply
161,231.13x = 222,516.99 × 97,567.56 - Step 4: Simplify right side
161,231.13x = 21,710,439,772.84 - Step 5: Solve for x
x = 21,710,439,772.84/161,231.13 - Step 6: Final answer
x = 134,654.14
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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.