Finding the Fourth Proportional to 420,635.64, 580,543.83 and 267,514.19
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Solution
The fourth proportional to 420,635.64, 580,543.83 and 267,514.19 is: 369,211.96
Step by Step Solution
- Step 1: Write the proportion equation
420,635.64 : 580,543.83 = 267,514.19 : x - Step 2: Convert to fraction form
420,635.64/580,543.83 = 267,514.19/x - Step 3: Cross multiply
420,635.64x = 580,543.83 × 267,514.19 - Step 4: Simplify right side
420,635.64x = 155,303,709,539.23 - Step 5: Solve for x
x = 155,303,709,539.23/420,635.64 - Step 6: Final answer
x = 369,211.96
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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.