Finding the Fourth Proportional to 276,372.93, 381,390.17 and 155,514.17
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Solution
The fourth proportional to 276,372.93, 381,390.17 and 155,514.17 is: 214,607.03
Step by Step Solution
- Step 1: Write the proportion equation
276,372.93 : 381,390.17 = 155,514.17 : x - Step 2: Convert to fraction form
276,372.93/381,390.17 = 155,514.17/x - Step 3: Cross multiply
276,372.93x = 381,390.17 × 155,514.17 - Step 4: Simplify right side
276,372.93x = 59,311,573,049.19 - Step 5: Solve for x
x = 59,311,573,049.19/276,372.93 - Step 6: Final answer
x = 214,607.03
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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.