Finding the Fourth Proportional to 410,884.43, 615,219.11 and 268,376.81
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Solution
The fourth proportional to 410,884.43, 615,219.11 and 268,376.81 is: 401,841.80
Step by Step Solution
- Step 1: Write the proportion equation
410,884.43 : 615,219.11 = 268,376.81 : x - Step 2: Convert to fraction form
410,884.43/615,219.11 = 268,376.81/x - Step 3: Cross multiply
410,884.43x = 615,219.11 × 268,376.81 - Step 4: Simplify right side
410,884.43x = 165,110,540,850.96 - Step 5: Solve for x
x = 165,110,540,850.96/410,884.43 - Step 6: Final answer
x = 401,841.80
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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.