Finding the Fourth Proportional to 347,170.68, 478,902.45 and 201,960.06
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Solution
The fourth proportional to 347,170.68, 478,902.45 and 201,960.06 is: 278,592.56
Step by Step Solution
- Step 1: Write the proportion equation
347,170.68 : 478,902.45 = 201,960.06 : x - Step 2: Convert to fraction form
347,170.68/478,902.45 = 201,960.06/x - Step 3: Cross multiply
347,170.68x = 478,902.45 × 201,960.06 - Step 4: Simplify right side
347,170.68x = 96,719,167,536.15 - Step 5: Solve for x
x = 96,719,167,536.15/347,170.68 - Step 6: Final answer
x = 278,592.56
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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.