Finding the Fourth Proportional to 622,678.20, 934,148.60 and 201,921.36
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Solution
The fourth proportional to 622,678.20, 934,148.60 and 201,921.36 is: 302,924.62
Step by Step Solution
- Step 1: Write the proportion equation
622,678.20 : 934,148.60 = 201,921.36 : x - Step 2: Convert to fraction form
622,678.20/934,148.60 = 201,921.36/x - Step 3: Cross multiply
622,678.20x = 934,148.60 × 201,921.36 - Step 4: Simplify right side
622,678.20x = 188,624,555,754.10 - Step 5: Solve for x
x = 188,624,555,754.10/622,678.20 - Step 6: Final answer
x = 302,924.62
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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.