Finding the Fourth Proportional to 165,188.97, 247,750.65 and 80,912.93
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Solution
The fourth proportional to 165,188.97, 247,750.65 and 80,912.93 is: 121,353.32
Step by Step Solution
- Step 1: Write the proportion equation
165,188.97 : 247,750.65 = 80,912.93 : x - Step 2: Convert to fraction form
165,188.97/247,750.65 = 80,912.93/x - Step 3: Cross multiply
165,188.97x = 247,750.65 × 80,912.93 - Step 4: Simplify right side
165,188.97x = 20,046,229,762.15 - Step 5: Solve for x
x = 20,046,229,762.15/165,188.97 - Step 6: Final answer
x = 121,353.32
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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.