Finding the Fourth Proportional to 293,631.75, 440,447.76 and 127,419.75
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Solution
The fourth proportional to 293,631.75, 440,447.76 and 127,419.75 is: 191,129.68
Step by Step Solution
- Step 1: Write the proportion equation
293,631.75 : 440,447.76 = 127,419.75 : x - Step 2: Convert to fraction form
293,631.75/440,447.76 = 127,419.75/x - Step 3: Cross multiply
293,631.75x = 440,447.76 × 127,419.75 - Step 4: Simplify right side
293,631.75x = 56,121,743,467.26 - Step 5: Solve for x
x = 56,121,743,467.26/293,631.75 - Step 6: Final answer
x = 191,129.68
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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.