Finding the Fourth Proportional to 107,647.05, 161,463.94 and 40,165.95
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Solution
The fourth proportional to 107,647.05, 161,463.94 and 40,165.95 is: 60,246.45
Step by Step Solution
- Step 1: Write the proportion equation
107,647.05 : 161,463.94 = 40,165.95 : x - Step 2: Convert to fraction form
107,647.05/161,463.94 = 40,165.95/x - Step 3: Cross multiply
107,647.05x = 161,463.94 × 40,165.95 - Step 4: Simplify right side
107,647.05x = 6,485,352,540.84 - Step 5: Solve for x
x = 6,485,352,540.84/107,647.05 - Step 6: Final answer
x = 60,246.45
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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.