Finding the Fourth Proportional to 99,874.03, 149,811.63 and 33,313.99
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Solution
The fourth proportional to 99,874.03, 149,811.63 and 33,313.99 is: 49,971.18
Step by Step Solution
- Step 1: Write the proportion equation
99,874.03 : 149,811.63 = 33,313.99 : x - Step 2: Convert to fraction form
99,874.03/149,811.63 = 33,313.99/x - Step 3: Cross multiply
99,874.03x = 149,811.63 × 33,313.99 - Step 4: Simplify right side
99,874.03x = 4,990,823,143.70 - Step 5: Solve for x
x = 4,990,823,143.70/99,874.03 - Step 6: Final answer
x = 49,971.18
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1.5x scale
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.