Finding the Fourth Proportional to 324,163.22, 447,582.31 and 209,509.74
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Solution
The fourth proportional to 324,163.22, 447,582.31 and 209,509.74 is: 289,276.66
Step by Step Solution
- Step 1: Write the proportion equation
324,163.22 : 447,582.31 = 209,509.74 : x - Step 2: Convert to fraction form
324,163.22/447,582.31 = 209,509.74/x - Step 3: Cross multiply
324,163.22x = 447,582.31 × 209,509.74 - Step 4: Simplify right side
324,163.22x = 93,772,852,872.93 - Step 5: Solve for x
x = 93,772,852,872.93/324,163.22 - Step 6: Final answer
x = 289,276.66
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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.