Finding the Fourth Proportional to 218,615.71, 327,892.40 and 68,852.09
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Solution
The fourth proportional to 218,615.71, 327,892.40 and 68,852.09 is: 103,268.32
Step by Step Solution
- Step 1: Write the proportion equation
218,615.71 : 327,892.40 = 68,852.09 : x - Step 2: Convert to fraction form
218,615.71/327,892.40 = 68,852.09/x - Step 3: Cross multiply
218,615.71x = 327,892.40 × 68,852.09 - Step 4: Simplify right side
218,615.71x = 22,576,076,690.86 - Step 5: Solve for x
x = 22,576,076,690.86/218,615.71 - Step 6: Final answer
x = 103,268.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.