Finding the Fourth Proportional to 182,887.80, 274,331.70 and 77,911.80
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Solution
The fourth proportional to 182,887.80, 274,331.70 and 77,911.80 is: 116,867.70
Step by Step Solution
- Step 1: Write the proportion equation
182,887.80 : 274,331.70 = 77,911.80 : x - Step 2: Convert to fraction form
182,887.80/274,331.70 = 77,911.80/x - Step 3: Cross multiply
182,887.80x = 274,331.70 × 77,911.80 - Step 4: Simplify right side
182,887.80x = 21,373,676,544.06 - Step 5: Solve for x
x = 21,373,676,544.06/182,887.80 - Step 6: Final answer
x = 116,867.70
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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.