Finding the Fourth Proportional to 338,234.68, 507,375.69 and 135,830.75
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Solution
The fourth proportional to 338,234.68, 507,375.69 and 135,830.75 is: 203,755.63
Step by Step Solution
- Step 1: Write the proportion equation
338,234.68 : 507,375.69 = 135,830.75 : x - Step 2: Convert to fraction form
338,234.68/507,375.69 = 135,830.75/x - Step 3: Cross multiply
338,234.68x = 507,375.69 × 135,830.75 - Step 4: Simplify right side
338,234.68x = 68,917,220,504.47 - Step 5: Solve for x
x = 68,917,220,504.47/338,234.68 - Step 6: Final answer
x = 203,755.63
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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.