Finding the Fourth Proportional to 99,703.99, 149,584.25 and 40,582.09
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Solution
The fourth proportional to 99,703.99, 149,584.25 and 40,582.09 is: 60,884.64
Step by Step Solution
- Step 1: Write the proportion equation
99,703.99 : 149,584.25 = 40,582.09 : x - Step 2: Convert to fraction form
99,703.99/149,584.25 = 40,582.09/x - Step 3: Cross multiply
99,703.99x = 149,584.25 × 40,582.09 - Step 4: Simplify right side
99,703.99x = 6,070,441,293.17 - Step 5: Solve for x
x = 6,070,441,293.17/99,703.99 - Step 6: Final answer
x = 60,884.64
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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.