Finding the Fourth Proportional to 346,761.05, 478,520.70 and 193,799.84
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Solution
The fourth proportional to 346,761.05, 478,520.70 and 193,799.84 is: 267,438.44
Step by Step Solution
- Step 1: Write the proportion equation
346,761.05 : 478,520.70 = 193,799.84 : x - Step 2: Convert to fraction form
346,761.05/478,520.70 = 193,799.84/x - Step 3: Cross multiply
346,761.05x = 478,520.70 × 193,799.84 - Step 4: Simplify right side
346,761.05x = 92,737,232,704.08 - Step 5: Solve for x
x = 92,737,232,704.08/346,761.05 - Step 6: Final answer
x = 267,438.44
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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.