Finding the Fourth Proportional to 161,541.12, 222,382.08 and 133,201.92
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Solution
The fourth proportional to 161,541.12, 222,382.08 and 133,201.92 is: 183,369.53
Step by Step Solution
- Step 1: Write the proportion equation
161,541.12 : 222,382.08 = 133,201.92 : x - Step 2: Convert to fraction form
161,541.12/222,382.08 = 133,201.92/x - Step 3: Cross multiply
161,541.12x = 222,382.08 × 133,201.92 - Step 4: Simplify right side
161,541.12x = 29,621,720,029.59 - Step 5: Solve for x
x = 29,621,720,029.59/161,541.12 - Step 6: Final answer
x = 183,369.53
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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.