Finding the Fourth Proportional to 293,630.40, 440,445.60 and 125,107.20
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Solution
The fourth proportional to 293,630.40, 440,445.60 and 125,107.20 is: 187,660.80
Step by Step Solution
- Step 1: Write the proportion equation
293,630.40 : 440,445.60 = 125,107.20 : x - Step 2: Convert to fraction form
293,630.40/440,445.60 = 125,107.20/x - Step 3: Cross multiply
293,630.40x = 440,445.60 × 125,107.20 - Step 4: Simplify right side
293,630.40x = 55,102,915,768.32 - Step 5: Solve for x
x = 55,102,915,768.32/293,630.40 - Step 6: Final answer
x = 187,660.80
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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.