Finding the Fourth Proportional to 393,302.36, 589,951.86 and 108,992.09
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Solution
The fourth proportional to 393,302.36, 589,951.86 and 108,992.09 is: 163,487.67
Step by Step Solution
- Step 1: Write the proportion equation
393,302.36 : 589,951.86 = 108,992.09 : x - Step 2: Convert to fraction form
393,302.36/589,951.86 = 108,992.09/x - Step 3: Cross multiply
393,302.36x = 589,951.86 × 108,992.09 - Step 4: Simplify right side
393,302.36x = 64,300,087,286.95 - Step 5: Solve for x
x = 64,300,087,286.95/393,302.36 - Step 6: Final answer
x = 163,487.67
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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.