Finding the Fourth Proportional to 132,355.79, 198,512.36 and 48,112.55
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Solution
The fourth proportional to 132,355.79, 198,512.36 and 48,112.55 is: 72,161.07
Step by Step Solution
- Step 1: Write the proportion equation
132,355.79 : 198,512.36 = 48,112.55 : x - Step 2: Convert to fraction form
132,355.79/198,512.36 = 48,112.55/x - Step 3: Cross multiply
132,355.79x = 198,512.36 × 48,112.55 - Step 4: Simplify right side
132,355.79x = 9,550,935,605.56 - Step 5: Solve for x
x = 9,550,935,605.56/132,355.79 - Step 6: Final answer
x = 72,161.07
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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.