Finding the Fourth Proportional to 305,888.43, 422,193.50 and 169,969.08
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Solution
The fourth proportional to 305,888.43, 422,193.50 and 169,969.08 is: 234,594.82
Step by Step Solution
- Step 1: Write the proportion equation
305,888.43 : 422,193.50 = 169,969.08 : x - Step 2: Convert to fraction form
305,888.43/422,193.50 = 169,969.08/x - Step 3: Cross multiply
305,888.43x = 422,193.50 × 169,969.08 - Step 4: Simplify right side
305,888.43x = 71,759,840,776.98 - Step 5: Solve for x
x = 71,759,840,776.98/305,888.43 - Step 6: Final answer
x = 234,594.82
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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.