Finding the Fourth Proportional to 207,675.60, 311,508.92 and 57,911.91
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Solution
The fourth proportional to 207,675.60, 311,508.92 and 57,911.91 is: 86,866.62
Step by Step Solution
- Step 1: Write the proportion equation
207,675.60 : 311,508.92 = 57,911.91 : x - Step 2: Convert to fraction form
207,675.60/311,508.92 = 57,911.91/x - Step 3: Cross multiply
207,675.60x = 311,508.92 × 57,911.91 - Step 4: Simplify right side
207,675.60x = 18,040,076,539.24 - Step 5: Solve for x
x = 18,040,076,539.24/207,675.60 - Step 6: Final answer
x = 86,866.62
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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.