Finding the Fourth Proportional to 137,907.33, 206,894.21 and 47,936.99
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Solution
The fourth proportional to 137,907.33, 206,894.21 and 47,936.99 is: 71,917.02
Step by Step Solution
- Step 1: Write the proportion equation
137,907.33 : 206,894.21 = 47,936.99 : x - Step 2: Convert to fraction form
137,907.33/206,894.21 = 47,936.99/x - Step 3: Cross multiply
137,907.33x = 206,894.21 × 47,936.99 - Step 4: Simplify right side
137,907.33x = 9,917,884,401.67 - Step 5: Solve for x
x = 9,917,884,401.67/137,907.33 - Step 6: Final answer
x = 71,917.02
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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.