Finding the Fourth Proportional to 361,135.40, 541,703.10 and 271,905.80
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Solution
The fourth proportional to 361,135.40, 541,703.10 and 271,905.80 is: 407,858.70
Step by Step Solution
- Step 1: Write the proportion equation
361,135.40 : 541,703.10 = 271,905.80 : x - Step 2: Convert to fraction form
361,135.40/541,703.10 = 271,905.80/x - Step 3: Cross multiply
361,135.40x = 541,703.10 × 271,905.80 - Step 4: Simplify right side
361,135.40x = 147,292,214,767.98 - Step 5: Solve for x
x = 147,292,214,767.98/361,135.40 - Step 6: Final answer
x = 407,858.70
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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.