Finding the Fourth Proportional to 202,220.66, 303,366.72 and 69,069.80
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Solution
The fourth proportional to 202,220.66, 303,366.72 and 69,069.80 is: 103,616.90
Step by Step Solution
- Step 1: Write the proportion equation
202,220.66 : 303,366.72 = 69,069.80 : x - Step 2: Convert to fraction form
202,220.66/303,366.72 = 69,069.80/x - Step 3: Cross multiply
202,220.66x = 303,366.72 × 69,069.80 - Step 4: Simplify right side
202,220.66x = 20,953,478,677.06 - Step 5: Solve for x
x = 20,953,478,677.06/202,220.66 - Step 6: Final answer
x = 103,616.90
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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.