Finding the Fourth Proportional to 346,697.68, 478,440.42 and 193,736.25
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Solution
The fourth proportional to 346,697.68, 478,440.42 and 193,736.25 is: 267,354.70
Step by Step Solution
- Step 1: Write the proportion equation
346,697.68 : 478,440.42 = 193,736.25 : x - Step 2: Convert to fraction form
346,697.68/478,440.42 = 193,736.25/x - Step 3: Cross multiply
346,697.68x = 478,440.42 × 193,736.25 - Step 4: Simplify right side
346,697.68x = 92,691,252,819.23 - Step 5: Solve for x
x = 92,691,252,819.23/346,697.68 - Step 6: Final answer
x = 267,354.70
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1.5x scale
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.