Finding the Fourth Proportional to 110,684.44, 166,002.18 and 31,781.08
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Solution
The fourth proportional to 110,684.44, 166,002.18 and 31,781.08 is: 47,664.59
Step by Step Solution
- Step 1: Write the proportion equation
110,684.44 : 166,002.18 = 31,781.08 : x - Step 2: Convert to fraction form
110,684.44/166,002.18 = 31,781.08/x - Step 3: Cross multiply
110,684.44x = 166,002.18 × 31,781.08 - Step 4: Simplify right side
110,684.44x = 5,275,728,562.75 - Step 5: Solve for x
x = 5,275,728,562.75/110,684.44 - Step 6: Final answer
x = 47,664.59
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1.5x scale
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.