Finding the Fourth Proportional to 159,342.36, 239,013.72 and 41,013.96
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Solution
The fourth proportional to 159,342.36, 239,013.72 and 41,013.96 is: 61,520.99
Step by Step Solution
- Step 1: Write the proportion equation
159,342.36 : 239,013.72 = 41,013.96 : x - Step 2: Convert to fraction form
159,342.36/239,013.72 = 41,013.96/x - Step 3: Cross multiply
159,342.36x = 239,013.72 × 41,013.96 - Step 4: Simplify right side
159,342.36x = 9,802,899,151.53 - Step 5: Solve for x
x = 9,802,899,151.53/159,342.36 - Step 6: Final answer
x = 61,520.99
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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.