Finding the Fourth Proportional to 99,403.72, 149,120.70 and 32,850.88
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Solution
The fourth proportional to 99,403.72, 149,120.70 and 32,850.88 is: 49,281.32
Step by Step Solution
- Step 1: Write the proportion equation
99,403.72 : 149,120.70 = 32,850.88 : x - Step 2: Convert to fraction form
99,403.72/149,120.70 = 32,850.88/x - Step 3: Cross multiply
99,403.72x = 149,120.70 × 32,850.88 - Step 4: Simplify right side
99,403.72x = 4,898,746,221.22 - Step 5: Solve for x
x = 4,898,746,221.22/99,403.72 - Step 6: Final answer
x = 49,281.32
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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.