Finding the Fourth Proportional to 658,770.84, 987,709.14 and 209,356.92
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Solution
The fourth proportional to 658,770.84, 987,709.14 and 209,356.92 is: 313,893.29
Step by Step Solution
- Step 1: Write the proportion equation
658,770.84 : 987,709.14 = 209,356.92 : x - Step 2: Convert to fraction form
658,770.84/987,709.14 = 209,356.92/x - Step 3: Cross multiply
658,770.84x = 987,709.14 × 209,356.92 - Step 4: Simplify right side
658,770.84x = 206,783,743,406.25 - Step 5: Solve for x
x = 206,783,743,406.25/658,770.84 - Step 6: Final answer
x = 313,893.29
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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.