Finding the Fourth Proportional to 99,407.99, 149,107.11 and 37,073.63
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Solution
The fourth proportional to 99,407.99, 149,107.11 and 37,073.63 is: 55,608.62
Step by Step Solution
- Step 1: Write the proportion equation
99,407.99 : 149,107.11 = 37,073.63 : x - Step 2: Convert to fraction form
99,407.99/149,107.11 = 37,073.63/x - Step 3: Cross multiply
99,407.99x = 149,107.11 × 37,073.63 - Step 4: Simplify right side
99,407.99x = 5,527,941,080.97 - Step 5: Solve for x
x = 5,527,941,080.97/99,407.99 - Step 6: Final answer
x = 55,608.62
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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.