Finding the Fourth Proportional to 446,747.60, 670,207.80 and 131,214.80
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Solution
The fourth proportional to 446,747.60, 670,207.80 and 131,214.80 is: 196,847.58
Step by Step Solution
- Step 1: Write the proportion equation
446,747.60 : 670,207.80 = 131,214.80 : x - Step 2: Convert to fraction form
446,747.60/670,207.80 = 131,214.80/x - Step 3: Cross multiply
446,747.60x = 670,207.80 × 131,214.80 - Step 4: Simplify right side
446,747.60x = 87,941,182,435.44 - Step 5: Solve for x
x = 87,941,182,435.44/446,747.60 - Step 6: Final answer
x = 196,847.58
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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.