Finding the Fourth Proportional to 211,541.44, 315,825.50 and 161,353.84
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Solution
The fourth proportional to 211,541.44, 315,825.50 and 161,353.84 is: 240,896.81
Step by Step Solution
- Step 1: Write the proportion equation
211,541.44 : 315,825.50 = 161,353.84 : x - Step 2: Convert to fraction form
211,541.44/315,825.50 = 161,353.84/x - Step 3: Cross multiply
211,541.44x = 315,825.50 × 161,353.84 - Step 4: Simplify right side
211,541.44x = 50,959,657,194.92 - Step 5: Solve for x
x = 50,959,657,194.92/211,541.44 - Step 6: Final answer
x = 240,896.81
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.