Finding the Fourth Proportional to 393,010.92, 589,458.96 and 193,277.70
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Solution
The fourth proportional to 393,010.92, 589,458.96 and 193,277.70 is: 289,888.31
Step by Step Solution
- Step 1: Write the proportion equation
393,010.92 : 589,458.96 = 193,277.70 : x - Step 2: Convert to fraction form
393,010.92/589,458.96 = 193,277.70/x - Step 3: Cross multiply
393,010.92x = 589,458.96 × 193,277.70 - Step 4: Simplify right side
393,010.92x = 113,929,272,033.19 - Step 5: Solve for x
x = 113,929,272,033.19/393,010.92 - Step 6: Final answer
x = 289,888.31
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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.