Finding the Fourth Proportional to 107,395.44, 161,051.76 and 40,800.48
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Solution
The fourth proportional to 107,395.44, 161,051.76 and 40,800.48 is: 61,184.99
Step by Step Solution
- Step 1: Write the proportion equation
107,395.44 : 161,051.76 = 40,800.48 : x - Step 2: Convert to fraction form
107,395.44/161,051.76 = 40,800.48/x - Step 3: Cross multiply
107,395.44x = 161,051.76 × 40,800.48 - Step 4: Simplify right side
107,395.44x = 6,570,989,112.84 - Step 5: Solve for x
x = 6,570,989,112.84/107,395.44 - Step 6: Final answer
x = 61,184.99
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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.