Finding the Fourth Proportional to 202,506.40, 303,759.60 and 185,447.80
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Solution
The fourth proportional to 202,506.40, 303,759.60 and 185,447.80 is: 278,171.70
Step by Step Solution
- Step 1: Write the proportion equation
202,506.40 : 303,759.60 = 185,447.80 : x - Step 2: Convert to fraction form
202,506.40/303,759.60 = 185,447.80/x - Step 3: Cross multiply
202,506.40x = 303,759.60 × 185,447.80 - Step 4: Simplify right side
202,506.40x = 56,331,549,548.88 - Step 5: Solve for x
x = 56,331,549,548.88/202,506.40 - Step 6: Final answer
x = 278,171.70
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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.