Finding the Fourth Proportional to 362,879.87, 543,135.35 and 266,791.63
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Solution
The fourth proportional to 362,879.87, 543,135.35 and 266,791.63 is: 399,316.63
Step by Step Solution
- Step 1: Write the proportion equation
362,879.87 : 543,135.35 = 266,791.63 : x - Step 2: Convert to fraction form
362,879.87/543,135.35 = 266,791.63/x - Step 3: Cross multiply
362,879.87x = 543,135.35 × 266,791.63 - Step 4: Simplify right side
362,879.87x = 144,903,965,337.12 - Step 5: Solve for x
x = 144,903,965,337.12/362,879.87 - Step 6: Final answer
x = 399,316.63
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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.