Finding the Fourth Proportional to 824,076.18, 1,236,305.97 and 255,427.11
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Solution
The fourth proportional to 824,076.18, 1,236,305.97 and 255,427.11 is: 383,200.08
Step by Step Solution
- Step 1: Write the proportion equation
824,076.18 : 1,236,305.97 = 255,427.11 : x - Step 2: Convert to fraction form
824,076.18/1,236,305.97 = 255,427.11/x - Step 3: Cross multiply
824,076.18x = 1,236,305.97 × 255,427.11 - Step 4: Simplify right side
824,076.18x = 315,786,060,992.85 - Step 5: Solve for x
x = 315,786,060,992.85/824,076.18 - Step 6: Final answer
x = 383,200.08
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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.