Finding the Fourth Proportional to 245,496.25, 338,757.29 and 138,063.99
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Solution
The fourth proportional to 245,496.25, 338,757.29 and 138,063.99 is: 190,512.82
Step by Step Solution
- Step 1: Write the proportion equation
245,496.25 : 338,757.29 = 138,063.99 : x - Step 2: Convert to fraction form
245,496.25/338,757.29 = 138,063.99/x - Step 3: Cross multiply
245,496.25x = 338,757.29 × 138,063.99 - Step 4: Simplify right side
245,496.25x = 46,770,184,196.75 - Step 5: Solve for x
x = 46,770,184,196.75/245,496.25 - Step 6: Final answer
x = 190,512.82
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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.