Finding the Fourth Proportional to 195,814.11, 270,236.84 and 110,931.87
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Solution
The fourth proportional to 195,814.11, 270,236.84 and 110,931.87 is: 153,093.55
Step by Step Solution
- Step 1: Write the proportion equation
195,814.11 : 270,236.84 = 110,931.87 : x - Step 2: Convert to fraction form
195,814.11/270,236.84 = 110,931.87/x - Step 3: Cross multiply
195,814.11x = 270,236.84 × 110,931.87 - Step 4: Simplify right side
195,814.11x = 29,977,877,449.43 - Step 5: Solve for x
x = 29,977,877,449.43/195,814.11 - Step 6: Final answer
x = 153,093.55
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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.