Finding the Fourth Proportional to 218,386.21, 327,581.14 and 68,623.18
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Solution
The fourth proportional to 218,386.21, 327,581.14 and 68,623.18 is: 102,935.34
Step by Step Solution
- Step 1: Write the proportion equation
218,386.21 : 327,581.14 = 68,623.18 : x - Step 2: Convert to fraction form
218,386.21/327,581.14 = 68,623.18/x - Step 3: Cross multiply
218,386.21x = 327,581.14 × 68,623.18 - Step 4: Simplify right side
218,386.21x = 22,479,659,534.83 - Step 5: Solve for x
x = 22,479,659,534.83/218,386.21 - Step 6: Final answer
x = 102,935.34
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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.