Finding the Fourth Proportional to 535,410.41, 738,859.39 and 305,965.08
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Solution
The fourth proportional to 535,410.41, 738,859.39 and 305,965.08 is: 422,227.83
Step by Step Solution
- Step 1: Write the proportion equation
535,410.41 : 738,859.39 = 305,965.08 : x - Step 2: Convert to fraction form
535,410.41/738,859.39 = 305,965.08/x - Step 3: Cross multiply
535,410.41x = 738,859.39 × 305,965.08 - Step 4: Simplify right side
535,410.41x = 226,065,171,605.19 - Step 5: Solve for x
x = 226,065,171,605.19/535,410.41 - Step 6: Final answer
x = 422,227.83
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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.