Finding the Fourth Proportional to 622,812.20, 934,448.70 and 202,101.80
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Solution
The fourth proportional to 622,812.20, 934,448.70 and 202,101.80 is: 303,227.46
Step by Step Solution
- Step 1: Write the proportion equation
622,812.20 : 934,448.70 = 202,101.80 : x - Step 2: Convert to fraction form
622,812.20/934,448.70 = 202,101.80/x - Step 3: Cross multiply
622,812.20x = 934,448.70 × 202,101.80 - Step 4: Simplify right side
622,812.20x = 188,853,764,277.66 - Step 5: Solve for x
x = 188,853,764,277.66/622,812.20 - Step 6: Final answer
x = 303,227.46
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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.