Finding the Fourth Proportional to 218,745.68, 328,474.50 and 135,037.95
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Solution
The fourth proportional to 218,745.68, 328,474.50 and 135,037.95 is: 202,776.68
Step by Step Solution
- Step 1: Write the proportion equation
218,745.68 : 328,474.50 = 135,037.95 : x - Step 2: Convert to fraction form
218,745.68/328,474.50 = 135,037.95/x - Step 3: Cross multiply
218,745.68x = 328,474.50 × 135,037.95 - Step 4: Simplify right side
218,745.68x = 44,356,523,107.28 - Step 5: Solve for x
x = 44,356,523,107.28/218,745.68 - Step 6: Final answer
x = 202,776.68
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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.