Finding the Fourth Proportional to 253,713.87, 380,866.05 and 201,357.09
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Solution
The fourth proportional to 253,713.87, 380,866.05 and 201,357.09 is: 302,269.95
Step by Step Solution
- Step 1: Write the proportion equation
253,713.87 : 380,866.05 = 201,357.09 : x - Step 2: Convert to fraction form
253,713.87/380,866.05 = 201,357.09/x - Step 3: Cross multiply
253,713.87x = 380,866.05 × 201,357.09 - Step 4: Simplify right side
253,713.87x = 76,690,079,507.79 - Step 5: Solve for x
x = 76,690,079,507.79/253,713.87 - Step 6: Final answer
x = 302,269.95
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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.