Finding the Fourth Proportional to 202,572.83, 303,859.47 and 52,812.99
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Solution
The fourth proportional to 202,572.83, 303,859.47 and 52,812.99 is: 79,219.55
Step by Step Solution
- Step 1: Write the proportion equation
202,572.83 : 303,859.47 = 52,812.99 : x - Step 2: Convert to fraction form
202,572.83/303,859.47 = 52,812.99/x - Step 3: Cross multiply
202,572.83x = 303,859.47 × 52,812.99 - Step 4: Simplify right side
202,572.83x = 16,047,727,150.52 - Step 5: Solve for x
x = 16,047,727,150.52/202,572.83 - Step 6: Final answer
x = 79,219.55
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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.