Finding the Fourth Proportional to 393,220.92, 589,733.67 and 168,555.87
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Solution
The fourth proportional to 393,220.92, 589,733.67 and 168,555.87 is: 252,791.92
Step by Step Solution
- Step 1: Write the proportion equation
393,220.92 : 589,733.67 = 168,555.87 : x - Step 2: Convert to fraction form
393,220.92/589,733.67 = 168,555.87/x - Step 3: Cross multiply
393,220.92x = 589,733.67 × 168,555.87 - Step 4: Simplify right side
393,220.92x = 99,403,071,815.14 - Step 5: Solve for x
x = 99,403,071,815.14/393,220.92 - Step 6: Final answer
x = 252,791.92
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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.