Finding the Fourth Proportional to 543,826.88, 815,857.05 and 228,101.84
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Solution
The fourth proportional to 543,826.88, 815,857.05 and 228,101.84 is: 342,201.72
Step by Step Solution
- Step 1: Write the proportion equation
543,826.88 : 815,857.05 = 228,101.84 : x - Step 2: Convert to fraction form
543,826.88/815,857.05 = 228,101.84/x - Step 3: Cross multiply
543,826.88x = 815,857.05 × 228,101.84 - Step 4: Simplify right side
543,826.88x = 186,098,494,281.97 - Step 5: Solve for x
x = 186,098,494,281.97/543,826.88 - Step 6: Final answer
x = 342,201.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.