Finding the Fourth Proportional to 306,467.52, 422,929.05 and 168,662.31
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Solution
The fourth proportional to 306,467.52, 422,929.05 and 168,662.31 is: 232,756.12
Step by Step Solution
- Step 1: Write the proportion equation
306,467.52 : 422,929.05 = 168,662.31 : x - Step 2: Convert to fraction form
306,467.52/422,929.05 = 168,662.31/x - Step 3: Cross multiply
306,467.52x = 422,929.05 × 168,662.31 - Step 4: Simplify right side
306,467.52x = 71,332,190,539.11 - Step 5: Solve for x
x = 71,332,190,539.11/306,467.52 - Step 6: Final answer
x = 232,756.12
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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.