Finding the Fourth Proportional to 268,614.09, 370,497.60 and 228,048.75
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Solution
The fourth proportional to 268,614.09, 370,497.60 and 228,048.75 is: 314,546.10
Step by Step Solution
- Step 1: Write the proportion equation
268,614.09 : 370,497.60 = 228,048.75 : x - Step 2: Convert to fraction form
268,614.09/370,497.60 = 228,048.75/x - Step 3: Cross multiply
268,614.09x = 370,497.60 × 228,048.75 - Step 4: Simplify right side
268,614.09x = 84,491,514,558 - Step 5: Solve for x
x = 84,491,514,558/268,614.09 - Step 6: Final answer
x = 314,546.10
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.