Finding the Fourth Proportional to 446,211.75, 615,772.23 and 245,007.75
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Solution
The fourth proportional to 446,211.75, 615,772.23 and 245,007.75 is: 338,110.70
Step by Step Solution
- Step 1: Write the proportion equation
446,211.75 : 615,772.23 = 245,007.75 : x - Step 2: Convert to fraction form
446,211.75/615,772.23 = 245,007.75/x - Step 3: Cross multiply
446,211.75x = 615,772.23 × 245,007.75 - Step 4: Simplify right side
446,211.75x = 150,868,968,584.78 - Step 5: Solve for x
x = 150,868,968,584.78/446,211.75 - Step 6: Final answer
x = 338,110.70
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1.5x scale
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.