Finding the Fourth Proportional to 207,742.42, 311,367.58 and 95,327.88
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Solution
The fourth proportional to 207,742.42, 311,367.58 and 95,327.88 is: 142,878.91
Step by Step Solution
- Step 1: Write the proportion equation
207,742.42 : 311,367.58 = 95,327.88 : x - Step 2: Convert to fraction form
207,742.42/311,367.58 = 95,327.88/x - Step 3: Cross multiply
207,742.42x = 311,367.58 × 95,327.88 - Step 4: Simplify right side
207,742.42x = 29,682,011,302.13 - Step 5: Solve for x
x = 29,682,011,302.13/207,742.42 - Step 6: Final answer
x = 142,878.91
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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.