Finding the Fourth Proportional to 262,158.17, 392,391.49 and 135,624.17
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Solution
The fourth proportional to 262,158.17, 392,391.49 and 135,624.17 is: 202,998.71
Step by Step Solution
- Step 1: Write the proportion equation
262,158.17 : 392,391.49 = 135,624.17 : x - Step 2: Convert to fraction form
262,158.17/392,391.49 = 135,624.17/x - Step 3: Cross multiply
262,158.17x = 392,391.49 × 135,624.17 - Step 4: Simplify right side
262,158.17x = 53,217,771,042.53 - Step 5: Solve for x
x = 53,217,771,042.53/262,158.17 - Step 6: Final answer
x = 202,998.71
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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.