Finding the Fourth Proportional to 446,915.70, 670,231.35 and 147,340.44
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Solution
The fourth proportional to 446,915.70, 670,231.35 and 147,340.44 is: 220,963.78
Step by Step Solution
- Step 1: Write the proportion equation
446,915.70 : 670,231.35 = 147,340.44 : x - Step 2: Convert to fraction form
446,915.70/670,231.35 = 147,340.44/x - Step 3: Cross multiply
446,915.70x = 670,231.35 × 147,340.44 - Step 4: Simplify right side
446,915.70x = 98,752,182,010.79 - Step 5: Solve for x
x = 98,752,182,010.79/446,915.70 - Step 6: Final answer
x = 220,963.78
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1.5x scale
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.