Finding the Fourth Proportional to 189,207.75, 283,887.35 and 76,896.59
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Solution
The fourth proportional to 189,207.75, 283,887.35 and 76,896.59 is: 115,375.66
Step by Step Solution
- Step 1: Write the proportion equation
189,207.75 : 283,887.35 = 76,896.59 : x - Step 2: Convert to fraction form
189,207.75/283,887.35 = 76,896.59/x - Step 3: Cross multiply
189,207.75x = 283,887.35 × 76,896.59 - Step 4: Simplify right side
189,207.75x = 21,829,968,641.66 - Step 5: Solve for x
x = 21,829,968,641.66/189,207.75 - Step 6: Final answer
x = 115,375.66
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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.