Finding the Fourth Proportional to 225,861.96, 311,691.06 and 125,266.44
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Solution
The fourth proportional to 225,861.96, 311,691.06 and 125,266.44 is: 172,868.55
Step by Step Solution
- Step 1: Write the proportion equation
225,861.96 : 311,691.06 = 125,266.44 : x - Step 2: Convert to fraction form
225,861.96/311,691.06 = 125,266.44/x - Step 3: Cross multiply
225,861.96x = 311,691.06 × 125,266.44 - Step 4: Simplify right side
225,861.96x = 39,044,429,466.03 - Step 5: Solve for x
x = 39,044,429,466.03/225,861.96 - Step 6: Final answer
x = 172,868.55
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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.