Finding the Fourth Proportional to 207,551.80, 311,327.70 and 102,575.80
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Solution
The fourth proportional to 207,551.80, 311,327.70 and 102,575.80 is: 153,863.70
Step by Step Solution
- Step 1: Write the proportion equation
207,551.80 : 311,327.70 = 102,575.80 : x - Step 2: Convert to fraction form
207,551.80/311,327.70 = 102,575.80/x - Step 3: Cross multiply
207,551.80x = 311,327.70 × 102,575.80 - Step 4: Simplify right side
207,551.80x = 31,934,687,889.66 - Step 5: Solve for x
x = 31,934,687,889.66/207,551.80 - Step 6: Final answer
x = 153,863.70
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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.