Finding the Fourth Proportional to 306,056.10, 422,348.98 and 170,086.62
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Solution
The fourth proportional to 306,056.10, 422,348.98 and 170,086.62 is: 234,714.85
Step by Step Solution
- Step 1: Write the proportion equation
306,056.10 : 422,348.98 = 170,086.62 : x - Step 2: Convert to fraction form
306,056.10/422,348.98 = 170,086.62/x - Step 3: Cross multiply
306,056.10x = 422,348.98 × 170,086.62 - Step 4: Simplify right side
306,056.10x = 71,835,910,468.65 - Step 5: Solve for x
x = 71,835,910,468.65/306,056.10 - Step 6: Final answer
x = 234,714.85
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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.