Finding the Fourth Proportional to 451,351.62, 676,891.11 and 135,724.74
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Solution
The fourth proportional to 451,351.62, 676,891.11 and 135,724.74 is: 203,546.12
Step by Step Solution
- Step 1: Write the proportion equation
451,351.62 : 676,891.11 = 135,724.74 : x - Step 2: Convert to fraction form
451,351.62/676,891.11 = 135,724.74/x - Step 3: Cross multiply
451,351.62x = 676,891.11 × 135,724.74 - Step 4: Simplify right side
451,351.62x = 91,870,869,913.06 - Step 5: Solve for x
x = 91,870,869,913.06/451,351.62 - Step 6: Final answer
x = 203,546.12
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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.