Finding the Fourth Proportional to 290,295.36, 400,604.08 and 162,967.68
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Solution
The fourth proportional to 290,295.36, 400,604.08 and 162,967.68 is: 224,893.42
Step by Step Solution
- Step 1: Write the proportion equation
290,295.36 : 400,604.08 = 162,967.68 : x - Step 2: Convert to fraction form
290,295.36/400,604.08 = 162,967.68/x - Step 3: Cross multiply
290,295.36x = 400,604.08 × 162,967.68 - Step 4: Simplify right side
290,295.36x = 65,285,517,516.13 - Step 5: Solve for x
x = 65,285,517,516.13/290,295.36 - Step 6: Final answer
x = 224,893.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.