Finding the Fourth Proportional to 397,208.75, 595,849.84 and 112,905.23
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Solution
The fourth proportional to 397,208.75, 595,849.84 and 112,905.23 is: 169,368.28
Step by Step Solution
- Step 1: Write the proportion equation
397,208.75 : 595,849.84 = 112,905.23 : x - Step 2: Convert to fraction form
397,208.75/595,849.84 = 112,905.23/x - Step 3: Cross multiply
397,208.75x = 595,849.84 × 112,905.23 - Step 4: Simplify right side
397,208.75x = 67,274,559,969.15 - Step 5: Solve for x
x = 67,274,559,969.15/397,208.75 - Step 6: Final answer
x = 169,368.28
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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.