Finding the Fourth Proportional to 415,047.36, 622,628.64 and 134,473.92
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Solution
The fourth proportional to 415,047.36, 622,628.64 and 134,473.92 is: 201,729.54
Step by Step Solution
- Step 1: Write the proportion equation
415,047.36 : 622,628.64 = 134,473.92 : x - Step 2: Convert to fraction form
415,047.36/622,628.64 = 134,473.92/x - Step 3: Cross multiply
415,047.36x = 622,628.64 × 134,473.92 - Step 4: Simplify right side
415,047.36x = 83,727,313,925.07 - Step 5: Solve for x
x = 83,727,313,925.07/415,047.36 - Step 6: Final answer
x = 201,729.54
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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.