Finding the Fourth Proportional to 191,241.90, 263,913.84 and 105,202.08
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Solution
The fourth proportional to 191,241.90, 263,913.84 and 105,202.08 is: 145,178.88
Step by Step Solution
- Step 1: Write the proportion equation
191,241.90 : 263,913.84 = 105,202.08 : x - Step 2: Convert to fraction form
191,241.90/263,913.84 = 105,202.08/x - Step 3: Cross multiply
191,241.90x = 263,913.84 × 105,202.08 - Step 4: Simplify right side
191,241.90x = 27,764,284,908.79 - Step 5: Solve for x
x = 27,764,284,908.79/191,241.90 - Step 6: Final answer
x = 145,178.88
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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.