Finding the Fourth Proportional to 107,461.64, 161,213.26 and 40,896.65
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Solution
The fourth proportional to 107,461.64, 161,213.26 and 40,896.65 is: 61,352.89
Step by Step Solution
- Step 1: Write the proportion equation
107,461.64 : 161,213.26 = 40,896.65 : x - Step 2: Convert to fraction form
107,461.64/161,213.26 = 40,896.65/x - Step 3: Cross multiply
107,461.64x = 161,213.26 × 40,896.65 - Step 4: Simplify right side
107,461.64x = 6,593,081,855.25 - Step 5: Solve for x
x = 6,593,081,855.25/107,461.64 - Step 6: Final answer
x = 61,352.89
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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.