Finding the Fourth Proportional to 216,147.08, 324,213.64 and 97,818.41
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Solution
The fourth proportional to 216,147.08, 324,213.64 and 97,818.41 is: 146,724.46
Step by Step Solution
- Step 1: Write the proportion equation
216,147.08 : 324,213.64 = 97,818.41 : x - Step 2: Convert to fraction form
216,147.08/324,213.64 = 97,818.41/x - Step 3: Cross multiply
216,147.08x = 324,213.64 × 97,818.41 - Step 4: Simplify right side
216,147.08x = 31,714,062,765.11 - Step 5: Solve for x
x = 31,714,062,765.11/216,147.08 - Step 6: Final answer
x = 146,724.46
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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.