Finding the Fourth Proportional to 311,629.68, 430,184.52 and 242,562.60
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Solution
The fourth proportional to 311,629.68, 430,184.52 and 242,562.60 is: 334,841.90
Step by Step Solution
- Step 1: Write the proportion equation
311,629.68 : 430,184.52 = 242,562.60 : x - Step 2: Convert to fraction form
311,629.68/430,184.52 = 242,562.60/x - Step 3: Cross multiply
311,629.68x = 430,184.52 × 242,562.60 - Step 4: Simplify right side
311,629.68x = 104,346,675,650.95 - Step 5: Solve for x
x = 104,346,675,650.95/311,629.68 - Step 6: Final answer
x = 334,841.90
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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.