Finding the Fourth Proportional to 99,866.88, 149,829.12 and 44,449.92
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Solution
The fourth proportional to 99,866.88, 149,829.12 and 44,449.92 is: 66,687.70
Step by Step Solution
- Step 1: Write the proportion equation
99,866.88 : 149,829.12 = 44,449.92 : x - Step 2: Convert to fraction form
99,866.88/149,829.12 = 44,449.92/x - Step 3: Cross multiply
99,866.88x = 149,829.12 × 44,449.92 - Step 4: Simplify right side
99,866.88x = 6,659,892,397.67 - Step 5: Solve for x
x = 6,659,892,397.67/99,866.88 - Step 6: Final answer
x = 66,687.70
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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.