Finding the Fourth Proportional to 207,027.60, 310,464.60 and 82,342.80
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Solution
The fourth proportional to 207,027.60, 310,464.60 and 82,342.80 is: 123,483.65
Step by Step Solution
- Step 1: Write the proportion equation
207,027.60 : 310,464.60 = 82,342.80 : x - Step 2: Convert to fraction form
207,027.60/310,464.60 = 82,342.80/x - Step 3: Cross multiply
207,027.60x = 310,464.60 × 82,342.80 - Step 4: Simplify right side
207,027.60x = 25,564,524,464.88 - Step 5: Solve for x
x = 25,564,524,464.88/207,027.60 - Step 6: Final answer
x = 123,483.65
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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.