Finding the Fourth Proportional to 374,789.85, 517,208.37 and 202,707.99
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Solution
The fourth proportional to 374,789.85, 517,208.37 and 202,707.99 is: 279,736.15
Step by Step Solution
- Step 1: Write the proportion equation
374,789.85 : 517,208.37 = 202,707.99 : x - Step 2: Convert to fraction form
374,789.85/517,208.37 = 202,707.99/x - Step 3: Cross multiply
374,789.85x = 517,208.37 × 202,707.99 - Step 4: Simplify right side
374,789.85x = 104,842,269,093.88 - Step 5: Solve for x
x = 104,842,269,093.88/374,789.85 - Step 6: Final answer
x = 279,736.15
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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.