Finding the Fourth Proportional to 341,639.55, 471,520.26 and 198,482.63
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Solution
The fourth proportional to 341,639.55, 471,520.26 and 198,482.63 is: 273,939.53
Step by Step Solution
- Step 1: Write the proportion equation
341,639.55 : 471,520.26 = 198,482.63 : x - Step 2: Convert to fraction form
341,639.55/471,520.26 = 198,482.63/x - Step 3: Cross multiply
341,639.55x = 471,520.26 × 198,482.63 - Step 4: Simplify right side
341,639.55x = 93,588,578,945.48 - Step 5: Solve for x
x = 93,588,578,945.48/341,639.55 - Step 6: Final answer
x = 273,939.53
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1.5x scale
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.