Finding the Fourth Proportional to 107,449.30, 161,132.46 and 36,353.08
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Solution
The fourth proportional to 107,449.30, 161,132.46 and 36,353.08 is: 54,515.58
Step by Step Solution
- Step 1: Write the proportion equation
107,449.30 : 161,132.46 = 36,353.08 : x - Step 2: Convert to fraction form
107,449.30/161,132.46 = 36,353.08/x - Step 3: Cross multiply
107,449.30x = 161,132.46 × 36,353.08 - Step 4: Simplify right side
107,449.30x = 5,857,661,208.98 - Step 5: Solve for x
x = 5,857,661,208.98/107,449.30 - Step 6: Final answer
x = 54,515.58
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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.