Finding the Fourth Proportional to 208,842.80, 288,132.92 and 133,435.44
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Solution
The fourth proportional to 208,842.80, 288,132.92 and 133,435.44 is: 184,096.09
Step by Step Solution
- Step 1: Write the proportion equation
208,842.80 : 288,132.92 = 133,435.44 : x - Step 2: Convert to fraction form
208,842.80/288,132.92 = 133,435.44/x - Step 3: Cross multiply
208,842.80x = 288,132.92 × 133,435.44 - Step 4: Simplify right side
208,842.80x = 38,447,142,958.68 - Step 5: Solve for x
x = 38,447,142,958.68/208,842.80 - Step 6: Final answer
x = 184,096.09
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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.