Finding the Fourth Proportional to 235,108.40, 324,446.70 and 127,679.18
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Solution
The fourth proportional to 235,108.40, 324,446.70 and 127,679.18 is: 176,195.70
Step by Step Solution
- Step 1: Write the proportion equation
235,108.40 : 324,446.70 = 127,679.18 : x - Step 2: Convert to fraction form
235,108.40/324,446.70 = 127,679.18/x - Step 3: Cross multiply
235,108.40x = 324,446.70 × 127,679.18 - Step 4: Simplify right side
235,108.40x = 41,425,088,609.71 - Step 5: Solve for x
x = 41,425,088,609.71/235,108.40 - Step 6: Final answer
x = 176,195.70
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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.