Finding the Fourth Proportional to 103,709.19, 155,529.18 and 40,512.93
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Solution
The fourth proportional to 103,709.19, 155,529.18 and 40,512.93 is: 60,755.88
Step by Step Solution
- Step 1: Write the proportion equation
103,709.19 : 155,529.18 = 40,512.93 : x - Step 2: Convert to fraction form
103,709.19/155,529.18 = 40,512.93/x - Step 3: Cross multiply
103,709.19x = 155,529.18 × 40,512.93 - Step 4: Simplify right side
103,709.19x = 6,300,942,782.30 - Step 5: Solve for x
x = 6,300,942,782.30/103,709.19 - Step 6: Final answer
x = 60,755.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.