Finding the Fourth Proportional to 857,948.14, 1,286,929.56 and 218,252.46
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Solution
The fourth proportional to 857,948.14, 1,286,929.56 and 218,252.46 is: 327,380.56
Step by Step Solution
- Step 1: Write the proportion equation
857,948.14 : 1,286,929.56 = 218,252.46 : x - Step 2: Convert to fraction form
857,948.14/1,286,929.56 = 218,252.46/x - Step 3: Cross multiply
857,948.14x = 1,286,929.56 × 218,252.46 - Step 4: Simplify right side
857,948.14x = 280,875,544,616.81 - Step 5: Solve for x
x = 280,875,544,616.81/857,948.14 - Step 6: Final answer
x = 327,380.56
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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.