Finding the Fourth Proportional to 99,501.22, 149,251.49 and 40,336.73
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Solution
The fourth proportional to 99,501.22, 149,251.49 and 40,336.73 is: 60,504.96
Step by Step Solution
- Step 1: Write the proportion equation
99,501.22 : 149,251.49 = 40,336.73 : x - Step 2: Convert to fraction form
99,501.22/149,251.49 = 40,336.73/x - Step 3: Cross multiply
99,501.22x = 149,251.49 × 40,336.73 - Step 4: Simplify right side
99,501.22x = 6,020,317,054.23 - Step 5: Solve for x
x = 6,020,317,054.23/99,501.22 - Step 6: Final answer
x = 60,504.96
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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.