Finding the Fourth Proportional to 178,942.65, 268,406.96 and 60,613.99
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Solution
The fourth proportional to 178,942.65, 268,406.96 and 60,613.99 is: 90,918.61
Step by Step Solution
- Step 1: Write the proportion equation
178,942.65 : 268,406.96 = 60,613.99 : x - Step 2: Convert to fraction form
178,942.65/268,406.96 = 60,613.99/x - Step 3: Cross multiply
178,942.65x = 268,406.96 × 60,613.99 - Step 4: Simplify right side
178,942.65x = 16,269,215,815.28 - Step 5: Solve for x
x = 16,269,215,815.28/178,942.65 - Step 6: Final answer
x = 90,918.61
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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.