Finding the Fourth Proportional to 202,143.05, 303,284.49 and 69,116.95
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Solution
The fourth proportional to 202,143.05, 303,284.49 and 69,116.95 is: 103,699.32
Step by Step Solution
- Step 1: Write the proportion equation
202,143.05 : 303,284.49 = 69,116.95 : x - Step 2: Convert to fraction form
202,143.05/303,284.49 = 69,116.95/x - Step 3: Cross multiply
202,143.05x = 303,284.49 × 69,116.95 - Step 4: Simplify right side
202,143.05x = 20,962,097,069.10 - Step 5: Solve for x
x = 20,962,097,069.10/202,143.05 - Step 6: Final answer
x = 103,699.32
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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.