Finding the Fourth Proportional to 305,808.35, 422,020.73 and 167,993.08
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Solution
The fourth proportional to 305,808.35, 422,020.73 and 167,993.08 is: 231,833.31
Step by Step Solution
- Step 1: Write the proportion equation
305,808.35 : 422,020.73 = 167,993.08 : x - Step 2: Convert to fraction form
305,808.35/422,020.73 = 167,993.08/x - Step 3: Cross multiply
305,808.35x = 422,020.73 × 167,993.08 - Step 4: Simplify right side
305,808.35x = 70,896,561,621.48 - Step 5: Solve for x
x = 70,896,561,621.48/305,808.35 - Step 6: Final answer
x = 231,833.31
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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.