Finding the Fourth Proportional to 237,113.81, 355,689.29 and 68,636.68
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Solution
The fourth proportional to 237,113.81, 355,689.29 and 68,636.68 is: 102,960.39
Step by Step Solution
- Step 1: Write the proportion equation
237,113.81 : 355,689.29 = 68,636.68 : x - Step 2: Convert to fraction form
237,113.81/355,689.29 = 68,636.68/x - Step 3: Cross multiply
237,113.81x = 355,689.29 × 68,636.68 - Step 4: Simplify right side
237,113.81x = 24,413,330,744.75 - Step 5: Solve for x
x = 24,413,330,744.75/237,113.81 - Step 6: Final answer
x = 102,960.39
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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.