Finding the Fourth Proportional to 208,517.08, 287,754.08 and 113,023.68
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Solution
The fourth proportional to 208,517.08, 287,754.08 and 113,023.68 is: 155,972.95
Step by Step Solution
- Step 1: Write the proportion equation
208,517.08 : 287,754.08 = 113,023.68 : x - Step 2: Convert to fraction form
208,517.08/287,754.08 = 113,023.68/x - Step 3: Cross multiply
208,517.08x = 287,754.08 × 113,023.68 - Step 4: Simplify right side
208,517.08x = 32,523,025,056.61 - Step 5: Solve for x
x = 32,523,025,056.61/208,517.08 - Step 6: Final answer
x = 155,972.95
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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.