Finding the Fourth Proportional to 156,786.82, 235,195.80 and 50,143.99
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Solution
The fourth proportional to 156,786.82, 235,195.80 and 50,143.99 is: 75,220.96
Step by Step Solution
- Step 1: Write the proportion equation
156,786.82 : 235,195.80 = 50,143.99 : x - Step 2: Convert to fraction form
156,786.82/235,195.80 = 50,143.99/x - Step 3: Cross multiply
156,786.82x = 235,195.80 × 50,143.99 - Step 4: Simplify right side
156,786.82x = 11,793,655,843.24 - Step 5: Solve for x
x = 11,793,655,843.24/156,786.82 - Step 6: Final answer
x = 75,220.96
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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.