Finding the Fourth Proportional to 202,904.70, 303,700.95 and 143,855.70
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Solution
The fourth proportional to 202,904.70, 303,700.95 and 143,855.70 is: 215,318.39
Step by Step Solution
- Step 1: Write the proportion equation
202,904.70 : 303,700.95 = 143,855.70 : x - Step 2: Convert to fraction form
202,904.70/303,700.95 = 143,855.70/x - Step 3: Cross multiply
202,904.70x = 303,700.95 × 143,855.70 - Step 4: Simplify right side
202,904.70x = 43,689,112,752.92 - Step 5: Solve for x
x = 43,689,112,752.92/202,904.70 - Step 6: Final answer
x = 215,318.39
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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.