Finding the Fourth Proportional to 99,366.02, 149,049.12 and 40,202.19
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Solution
The fourth proportional to 99,366.02, 149,049.12 and 40,202.19 is: 60,303.32
Step by Step Solution
- Step 1: Write the proportion equation
99,366.02 : 149,049.12 = 40,202.19 : x - Step 2: Convert to fraction form
99,366.02/149,049.12 = 40,202.19/x - Step 3: Cross multiply
99,366.02x = 149,049.12 × 40,202.19 - Step 4: Simplify right side
99,366.02x = 5,992,101,041.57 - Step 5: Solve for x
x = 5,992,101,041.57/99,366.02 - Step 6: Final answer
x = 60,303.32
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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.