Finding the Fourth Proportional to 382,138.60, 573,207.90 and 293,837.80
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Solution
The fourth proportional to 382,138.60, 573,207.90 and 293,837.80 is: 440,756.70
Step by Step Solution
- Step 1: Write the proportion equation
382,138.60 : 573,207.90 = 293,837.80 : x - Step 2: Convert to fraction form
382,138.60/573,207.90 = 293,837.80/x - Step 3: Cross multiply
382,138.60x = 573,207.90 × 293,837.80 - Step 4: Simplify right side
382,138.60x = 168,430,148,278.62 - Step 5: Solve for x
x = 168,430,148,278.62/382,138.60 - Step 6: Final answer
x = 440,756.70
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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.