Finding the Fourth Proportional to 71,823.22, 107,740.60 and 19,232.26
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Solution
The fourth proportional to 71,823.22, 107,740.60 and 19,232.26 is: 28,849.94
Step by Step Solution
- Step 1: Write the proportion equation
71,823.22 : 107,740.60 = 19,232.26 : x - Step 2: Convert to fraction form
71,823.22/107,740.60 = 19,232.26/x - Step 3: Cross multiply
71,823.22x = 107,740.60 × 19,232.26 - Step 4: Simplify right side
71,823.22x = 2,072,095,231.76 - Step 5: Solve for x
x = 2,072,095,231.76/71,823.22 - Step 6: Final answer
x = 28,849.94
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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.