Finding the Fourth Proportional to 107,447.27, 161,115.28 and 48,231.95
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Solution
The fourth proportional to 107,447.27, 161,115.28 and 48,231.95 is: 72,322.95
Step by Step Solution
- Step 1: Write the proportion equation
107,447.27 : 161,115.28 = 48,231.95 : x - Step 2: Convert to fraction form
107,447.27/161,115.28 = 48,231.95/x - Step 3: Cross multiply
107,447.27x = 161,115.28 × 48,231.95 - Step 4: Simplify right side
107,447.27x = 7,770,903,203.04 - Step 5: Solve for x
x = 7,770,903,203.04/107,447.27 - Step 6: Final answer
x = 72,322.95
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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.