Finding the Fourth Proportional to 276,537.63, 381,597.44 and 154,020.68
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Solution
The fourth proportional to 276,537.63, 381,597.44 and 154,020.68 is: 212,534.90
Step by Step Solution
- Step 1: Write the proportion equation
276,537.63 : 381,597.44 = 154,020.68 : x - Step 2: Convert to fraction form
276,537.63/381,597.44 = 154,020.68/x - Step 3: Cross multiply
276,537.63x = 381,597.44 × 154,020.68 - Step 4: Simplify right side
276,537.63x = 58,773,897,195.06 - Step 5: Solve for x
x = 58,773,897,195.06/276,537.63 - Step 6: Final answer
x = 212,534.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.