Finding the Fourth Proportional to 68,197.28, 102,294.23 and 18,277.31
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Solution
The fourth proportional to 68,197.28, 102,294.23 and 18,277.31 is: 27,415.52
Step by Step Solution
- Step 1: Write the proportion equation
68,197.28 : 102,294.23 = 18,277.31 : x - Step 2: Convert to fraction form
68,197.28/102,294.23 = 18,277.31/x - Step 3: Cross multiply
68,197.28x = 102,294.23 × 18,277.31 - Step 4: Simplify right side
68,197.28x = 1,869,663,517.27 - Step 5: Solve for x
x = 1,869,663,517.27/68,197.28 - Step 6: Final answer
x = 27,415.52
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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.