Finding the Fourth Proportional to 92,163.99, 138,245.84 and 28,989.66
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Solution
The fourth proportional to 92,163.99, 138,245.84 and 28,989.66 is: 43,484.44
Step by Step Solution
- Step 1: Write the proportion equation
92,163.99 : 138,245.84 = 28,989.66 : x - Step 2: Convert to fraction form
92,163.99/138,245.84 = 28,989.66/x - Step 3: Cross multiply
92,163.99x = 138,245.84 × 28,989.66 - Step 4: Simplify right side
92,163.99x = 4,007,699,898.01 - Step 5: Solve for x
x = 4,007,699,898.01/92,163.99 - Step 6: Final answer
x = 43,484.44
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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.