Finding the Fourth Proportional to 442,917.44, 664,609.44 and 193,774.40
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Solution
The fourth proportional to 442,917.44, 664,609.44 and 193,774.40 is: 290,763.66
Step by Step Solution
- Step 1: Write the proportion equation
442,917.44 : 664,609.44 = 193,774.40 : x - Step 2: Convert to fraction form
442,917.44/664,609.44 = 193,774.40/x - Step 3: Cross multiply
442,917.44x = 664,609.44 × 193,774.40 - Step 4: Simplify right side
442,917.44x = 128,784,295,470.34 - Step 5: Solve for x
x = 128,784,295,470.34/442,917.44 - Step 6: Final answer
x = 290,763.66
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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.