Finding the Fourth Proportional to 338,328.97, 507,175.57 and 113,531.75
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Solution
The fourth proportional to 338,328.97, 507,175.57 and 113,531.75 is: 170,190.95
Step by Step Solution
- Step 1: Write the proportion equation
338,328.97 : 507,175.57 = 113,531.75 : x - Step 2: Convert to fraction form
338,328.97/507,175.57 = 113,531.75/x - Step 3: Cross multiply
338,328.97x = 507,175.57 × 113,531.75 - Step 4: Simplify right side
338,328.97x = 57,580,529,527.29 - Step 5: Solve for x
x = 57,580,529,527.29/338,328.97 - Step 6: Final answer
x = 170,190.95
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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.