Finding the Fourth Proportional to 338,199.96, 506,745.84 and 205,123.44
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Solution
The fourth proportional to 338,199.96, 506,745.84 and 205,123.44 is: 307,349.09
Step by Step Solution
- Step 1: Write the proportion equation
338,199.96 : 506,745.84 = 205,123.44 : x - Step 2: Convert to fraction form
338,199.96/506,745.84 = 205,123.44/x - Step 3: Cross multiply
338,199.96x = 506,745.84 × 205,123.44 - Step 4: Simplify right side
338,199.96x = 103,945,449,906.49 - Step 5: Solve for x
x = 103,945,449,906.49/338,199.96 - Step 6: Final answer
x = 307,349.09
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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.