Finding the Fourth Proportional to 440,167.80, 660,251.70 and 107,743.80
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Solution
The fourth proportional to 440,167.80, 660,251.70 and 107,743.80 is: 161,615.70
Step by Step Solution
- Step 1: Write the proportion equation
440,167.80 : 660,251.70 = 107,743.80 : x - Step 2: Convert to fraction form
440,167.80/660,251.70 = 107,743.80/x - Step 3: Cross multiply
440,167.80x = 660,251.70 × 107,743.80 - Step 4: Simplify right side
440,167.80x = 71,138,027,114.46 - Step 5: Solve for x
x = 71,138,027,114.46/440,167.80 - Step 6: Final answer
x = 161,615.70
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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.