Finding the Fourth Proportional to 308,927.70, 463,391.55 and 246,719.70
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Solution
The fourth proportional to 308,927.70, 463,391.55 and 246,719.70 is: 370,079.55
Step by Step Solution
- Step 1: Write the proportion equation
308,927.70 : 463,391.55 = 246,719.70 : x - Step 2: Convert to fraction form
308,927.70/463,391.55 = 246,719.70/x - Step 3: Cross multiply
308,927.70x = 463,391.55 × 246,719.70 - Step 4: Simplify right side
308,927.70x = 114,327,824,198.54 - Step 5: Solve for x
x = 114,327,824,198.54/308,927.70 - Step 6: Final answer
x = 370,079.55
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1.5x scale
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.