Finding the Fourth Proportional to 109,302.97, 163,756.70 and 50,188.09
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Solution
The fourth proportional to 109,302.97, 163,756.70 and 50,188.09 is: 75,191.33
Step by Step Solution
- Step 1: Write the proportion equation
109,302.97 : 163,756.70 = 50,188.09 : x - Step 2: Convert to fraction form
109,302.97/163,756.70 = 50,188.09/x - Step 3: Cross multiply
109,302.97x = 163,756.70 × 50,188.09 - Step 4: Simplify right side
109,302.97x = 8,218,635,746.76 - Step 5: Solve for x
x = 8,218,635,746.76/109,302.97 - Step 6: Final answer
x = 75,191.33
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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.