Finding the Fourth Proportional to 99,531.20, 149,257.20 and 32,952.80
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Solution
The fourth proportional to 99,531.20, 149,257.20 and 32,952.80 is: 49,416.09
Step by Step Solution
- Step 1: Write the proportion equation
99,531.20 : 149,257.20 = 32,952.80 : x - Step 2: Convert to fraction form
99,531.20/149,257.20 = 32,952.80/x - Step 3: Cross multiply
99,531.20x = 149,257.20 × 32,952.80 - Step 4: Simplify right side
99,531.20x = 4,918,442,660.16 - Step 5: Solve for x
x = 4,918,442,660.16/99,531.20 - Step 6: Final answer
x = 49,416.09
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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.