Finding the Fourth Proportional to 208,319.04, 312,517.44 and 68,176.08
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Solution
The fourth proportional to 208,319.04, 312,517.44 and 68,176.08 is: 102,276.84
Step by Step Solution
- Step 1: Write the proportion equation
208,319.04 : 312,517.44 = 68,176.08 : x - Step 2: Convert to fraction form
208,319.04/312,517.44 = 68,176.08/x - Step 3: Cross multiply
208,319.04x = 312,517.44 × 68,176.08 - Step 4: Simplify right side
208,319.04x = 21,306,213,990.84 - Step 5: Solve for x
x = 21,306,213,990.84/208,319.04 - Step 6: Final answer
x = 102,276.84
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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.