Finding the Fourth Proportional to 305,806.08, 422,015.06 and 169,842.42
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Solution
The fourth proportional to 305,806.08, 422,015.06 and 169,842.42 is: 234,384.02
Step by Step Solution
- Step 1: Write the proportion equation
305,806.08 : 422,015.06 = 169,842.42 : x - Step 2: Convert to fraction form
305,806.08/422,015.06 = 169,842.42/x - Step 3: Cross multiply
305,806.08x = 422,015.06 × 169,842.42 - Step 4: Simplify right side
305,806.08x = 71,676,059,491.45 - Step 5: Solve for x
x = 71,676,059,491.45/305,806.08 - Step 6: Final answer
x = 234,384.02
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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.