Finding the Fourth Proportional to 135,188.80, 202,583.52 and 120,425.92
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Solution
The fourth proportional to 135,188.80, 202,583.52 and 120,425.92 is: 180,461.01
Step by Step Solution
- Step 1: Write the proportion equation
135,188.80 : 202,583.52 = 120,425.92 : x - Step 2: Convert to fraction form
135,188.80/202,583.52 = 120,425.92/x - Step 3: Cross multiply
135,188.80x = 202,583.52 × 120,425.92 - Step 4: Simplify right side
135,188.80x = 24,396,306,772.84 - Step 5: Solve for x
x = 24,396,306,772.84/135,188.80 - Step 6: Final answer
x = 180,461.01
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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.