Finding the Fourth Proportional to 406,725.48, 560,989.68 and 268,744.56
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Solution
The fourth proportional to 406,725.48, 560,989.68 and 268,744.56 is: 370,674.90
Step by Step Solution
- Step 1: Write the proportion equation
406,725.48 : 560,989.68 = 268,744.56 : x - Step 2: Convert to fraction form
406,725.48/560,989.68 = 268,744.56/x - Step 3: Cross multiply
406,725.48x = 560,989.68 × 268,744.56 - Step 4: Simplify right side
406,725.48x = 150,762,924,716.14 - Step 5: Solve for x
x = 150,762,924,716.14/406,725.48 - Step 6: Final answer
x = 370,674.90
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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.