Finding the Fourth Proportional to 320,687.82, 442,549.98 and 177,457.68
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Solution
The fourth proportional to 320,687.82, 442,549.98 and 177,457.68 is: 244,892.03
Step by Step Solution
- Step 1: Write the proportion equation
320,687.82 : 442,549.98 = 177,457.68 : x - Step 2: Convert to fraction form
320,687.82/442,549.98 = 177,457.68/x - Step 3: Cross multiply
320,687.82x = 442,549.98 × 177,457.68 - Step 4: Simplify right side
320,687.82x = 78,533,892,734.85 - Step 5: Solve for x
x = 78,533,892,734.85/320,687.82 - Step 6: Final answer
x = 244,892.03
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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.