Finding the Fourth Proportional to 218,078.06, 327,117.29 and 68,319.59
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Solution
The fourth proportional to 218,078.06, 327,117.29 and 68,319.59 is: 102,479.44
Step by Step Solution
- Step 1: Write the proportion equation
218,078.06 : 327,117.29 = 68,319.59 : x - Step 2: Convert to fraction form
218,078.06/327,117.29 = 68,319.59/x - Step 3: Cross multiply
218,078.06x = 327,117.29 × 68,319.59 - Step 4: Simplify right side
218,078.06x = 22,348,517,157.53 - Step 5: Solve for x
x = 22,348,517,157.53/218,078.06 - Step 6: Final answer
x = 102,479.44
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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.