Finding the Fourth Proportional to 316,772.75, 437,157.27 and 173,532.75
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Solution
The fourth proportional to 316,772.75, 437,157.27 and 173,532.75 is: 239,481.15
Step by Step Solution
- Step 1: Write the proportion equation
316,772.75 : 437,157.27 = 173,532.75 : x - Step 2: Convert to fraction form
316,772.75/437,157.27 = 173,532.75/x - Step 3: Cross multiply
316,772.75x = 437,157.27 × 173,532.75 - Step 4: Simplify right side
316,772.75x = 75,861,103,245.59 - Step 5: Solve for x
x = 75,861,103,245.59/316,772.75 - Step 6: Final answer
x = 239,481.15
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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.