Finding the Fourth Proportional to 154,691.67, 232,004.09 and 54,855.12
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Solution
The fourth proportional to 154,691.67, 232,004.09 and 54,855.12 is: 82,270.82
Step by Step Solution
- Step 1: Write the proportion equation
154,691.67 : 232,004.09 = 54,855.12 : x - Step 2: Convert to fraction form
154,691.67/232,004.09 = 54,855.12/x - Step 3: Cross multiply
154,691.67x = 232,004.09 × 54,855.12 - Step 4: Simplify right side
154,691.67x = 12,726,610,763.14 - Step 5: Solve for x
x = 12,726,610,763.14/154,691.67 - Step 6: Final answer
x = 82,270.82
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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.