Finding the Fourth Proportional to 252,822.28, 379,262.58 and 84,364.96
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Solution
The fourth proportional to 252,822.28, 379,262.58 and 84,364.96 is: 126,557.17
Step by Step Solution
- Step 1: Write the proportion equation
252,822.28 : 379,262.58 = 84,364.96 : x - Step 2: Convert to fraction form
252,822.28/379,262.58 = 84,364.96/x - Step 3: Cross multiply
252,822.28x = 379,262.58 × 84,364.96 - Step 4: Simplify right side
252,822.28x = 31,996,472,391.20 - Step 5: Solve for x
x = 31,996,472,391.20/252,822.28 - Step 6: Final answer
x = 126,557.17
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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.