Finding the Fourth Proportional to 136,519.40, 204,643.02 and 65,310.68
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Solution
The fourth proportional to 136,519.40, 204,643.02 and 65,310.68 is: 97,900.92
Step by Step Solution
- Step 1: Write the proportion equation
136,519.40 : 204,643.02 = 65,310.68 : x - Step 2: Convert to fraction form
136,519.40/204,643.02 = 65,310.68/x - Step 3: Cross multiply
136,519.40x = 204,643.02 × 65,310.68 - Step 4: Simplify right side
136,519.40x = 13,365,374,793.45 - Step 5: Solve for x
x = 13,365,374,793.45/136,519.40 - Step 6: Final answer
x = 97,900.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.