Finding the Fourth Proportional to 191,936.36, 264,877.86 and 107,059.08
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Solution
The fourth proportional to 191,936.36, 264,877.86 and 107,059.08 is: 147,744.70
Step by Step Solution
- Step 1: Write the proportion equation
191,936.36 : 264,877.86 = 107,059.08 : x - Step 2: Convert to fraction form
191,936.36/264,877.86 = 107,059.08/x - Step 3: Cross multiply
191,936.36x = 264,877.86 × 107,059.08 - Step 4: Simplify right side
191,936.36x = 28,357,580,003.97 - Step 5: Solve for x
x = 28,357,580,003.97/191,936.36 - Step 6: Final answer
x = 147,744.70
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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.