Finding the Fourth Proportional to 268,924.44, 403,382.96 and 91,555.14
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Solution
The fourth proportional to 268,924.44, 403,382.96 and 91,555.14 is: 137,331.45
Step by Step Solution
- Step 1: Write the proportion equation
268,924.44 : 403,382.96 = 91,555.14 : x - Step 2: Convert to fraction form
268,924.44/403,382.96 = 91,555.14/x - Step 3: Cross multiply
268,924.44x = 403,382.96 × 91,555.14 - Step 4: Simplify right side
268,924.44x = 36,931,783,376.41 - Step 5: Solve for x
x = 36,931,783,376.41/268,924.44 - Step 6: Final answer
x = 137,331.45
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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.