Finding the Fourth Proportional to 354,933.36, 489,750.26 and 209,718.92
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Solution
The fourth proportional to 354,933.36, 489,750.26 and 209,718.92 is: 289,377.96
Step by Step Solution
- Step 1: Write the proportion equation
354,933.36 : 489,750.26 = 209,718.92 : x - Step 2: Convert to fraction form
354,933.36/489,750.26 = 209,718.92/x - Step 3: Cross multiply
354,933.36x = 489,750.26 × 209,718.92 - Step 4: Simplify right side
354,933.36x = 102,709,892,099.57 - Step 5: Solve for x
x = 102,709,892,099.57/354,933.36 - Step 6: Final answer
x = 289,377.96
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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.