Finding the Fourth Proportional to 347,723.80, 521,585.70 and 268,991.80
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Solution
The fourth proportional to 347,723.80, 521,585.70 and 268,991.80 is: 403,487.70
Step by Step Solution
- Step 1: Write the proportion equation
347,723.80 : 521,585.70 = 268,991.80 : x - Step 2: Convert to fraction form
347,723.80/521,585.70 = 268,991.80/x - Step 3: Cross multiply
347,723.80x = 521,585.70 × 268,991.80 - Step 4: Simplify right side
347,723.80x = 140,302,276,297.26 - Step 5: Solve for x
x = 140,302,276,297.26/347,723.80 - Step 6: Final answer
x = 403,487.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.