Finding the Fourth Proportional to 178,964.48, 268,479.12 and 73,724.96
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Solution
The fourth proportional to 178,964.48, 268,479.12 and 73,724.96 is: 110,600.79
Step by Step Solution
- Step 1: Write the proportion equation
178,964.48 : 268,479.12 = 73,724.96 : x - Step 2: Convert to fraction form
178,964.48/268,479.12 = 73,724.96/x - Step 3: Cross multiply
178,964.48x = 268,479.12 × 73,724.96 - Step 4: Simplify right side
178,964.48x = 19,793,612,382.84 - Step 5: Solve for x
x = 19,793,612,382.84/178,964.48 - Step 6: Final answer
x = 110,600.79
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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.