Finding the Fourth Proportional to 68,174.63, 102,254.79 and 18,259.88
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Solution
The fourth proportional to 68,174.63, 102,254.79 and 18,259.88 is: 27,387.90
Step by Step Solution
- Step 1: Write the proportion equation
68,174.63 : 102,254.79 = 18,259.88 : x - Step 2: Convert to fraction form
68,174.63/102,254.79 = 18,259.88/x - Step 3: Cross multiply
68,174.63x = 102,254.79 × 18,259.88 - Step 4: Simplify right side
68,174.63x = 1,867,160,194.83 - Step 5: Solve for x
x = 1,867,160,194.83/68,174.63 - Step 6: Final answer
x = 27,387.90
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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.