Finding the Fourth Proportional to 236,949.81, 355,446.99 and 87,192.96
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Solution
The fourth proportional to 236,949.81, 355,446.99 and 87,192.96 is: 130,797.64
Step by Step Solution
- Step 1: Write the proportion equation
236,949.81 : 355,446.99 = 87,192.96 : x - Step 2: Convert to fraction form
236,949.81/355,446.99 = 87,192.96/x - Step 3: Cross multiply
236,949.81x = 355,446.99 × 87,192.96 - Step 4: Simplify right side
236,949.81x = 30,992,475,181.19 - Step 5: Solve for x
x = 30,992,475,181.19/236,949.81 - Step 6: Final answer
x = 130,797.64
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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.