Finding the Fourth Proportional to 235,224.94, 324,604.10 and 138,434.49
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Solution
The fourth proportional to 235,224.94, 324,604.10 and 138,434.49 is: 191,035.88
Step by Step Solution
- Step 1: Write the proportion equation
235,224.94 : 324,604.10 = 138,434.49 : x - Step 2: Convert to fraction form
235,224.94/324,604.10 = 138,434.49/x - Step 3: Cross multiply
235,224.94x = 324,604.10 × 138,434.49 - Step 4: Simplify right side
235,224.94x = 44,936,403,035.41 - Step 5: Solve for x
x = 44,936,403,035.41/235,224.94 - Step 6: Final answer
x = 191,035.88
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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.