Finding the Fourth Proportional to 135,145.80, 202,819.68 and 50,988.96
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Solution
The fourth proportional to 135,145.80, 202,819.68 and 50,988.96 is: 76,521.54
Step by Step Solution
- Step 1: Write the proportion equation
135,145.80 : 202,819.68 = 50,988.96 : x - Step 2: Convert to fraction form
135,145.80/202,819.68 = 50,988.96/x - Step 3: Cross multiply
135,145.80x = 202,819.68 × 50,988.96 - Step 4: Simplify right side
135,145.80x = 10,341,564,550.73 - Step 5: Solve for x
x = 10,341,564,550.73/135,145.80 - Step 6: Final answer
x = 76,521.54
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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.