Finding the Fourth Proportional to 346,722.47, 478,475.60 and 193,760.62
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Solution
The fourth proportional to 346,722.47, 478,475.60 and 193,760.62 is: 267,388.87
Step by Step Solution
- Step 1: Write the proportion equation
346,722.47 : 478,475.60 = 193,760.62 : x - Step 2: Convert to fraction form
346,722.47/478,475.60 = 193,760.62/x - Step 3: Cross multiply
346,722.47x = 478,475.60 × 193,760.62 - Step 4: Simplify right side
346,722.47x = 92,709,728,910.87 - Step 5: Solve for x
x = 92,709,728,910.87/346,722.47 - Step 6: Final answer
x = 267,388.87
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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.