Finding the Fourth Proportional to 218,619.84, 327,929.84 and 168,772.71
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Solution
The fourth proportional to 218,619.84, 327,929.84 and 168,772.71 is: 253,159.12
Step by Step Solution
- Step 1: Write the proportion equation
218,619.84 : 327,929.84 = 168,772.71 : x - Step 2: Convert to fraction form
218,619.84/327,929.84 = 168,772.71/x - Step 3: Cross multiply
218,619.84x = 327,929.84 × 168,772.71 - Step 4: Simplify right side
218,619.84x = 55,345,606,942.80 - Step 5: Solve for x
x = 55,345,606,942.80/218,619.84 - Step 6: Final answer
x = 253,159.12
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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.