Finding the Fourth Proportional to 195,887.26, 293,830.84 and 129,311.78
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Solution
The fourth proportional to 195,887.26, 293,830.84 and 129,311.78 is: 193,967.63
Step by Step Solution
- Step 1: Write the proportion equation
195,887.26 : 293,830.84 = 129,311.78 : x - Step 2: Convert to fraction form
195,887.26/293,830.84 = 129,311.78/x - Step 3: Cross multiply
195,887.26x = 293,830.84 × 129,311.78 - Step 4: Simplify right side
195,887.26x = 37,995,787,631.78 - Step 5: Solve for x
x = 37,995,787,631.78/195,887.26 - Step 6: Final answer
x = 193,967.63
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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.