Finding the Fourth Proportional to 314,951.36, 434,523.84 and 201,836.48
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Solution
The fourth proportional to 314,951.36, 434,523.84 and 201,836.48 is: 278,464.47
Step by Step Solution
- Step 1: Write the proportion equation
314,951.36 : 434,523.84 = 201,836.48 : x - Step 2: Convert to fraction form
314,951.36/434,523.84 = 201,836.48/x - Step 3: Cross multiply
314,951.36x = 434,523.84 × 201,836.48 - Step 4: Simplify right side
314,951.36x = 87,702,762,341.68 - Step 5: Solve for x
x = 87,702,762,341.68/314,951.36 - Step 6: Final answer
x = 278,464.47
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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.