Finding the Fourth Proportional to 135,067.45, 202,628.31 and 40,299.07
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Solution
The fourth proportional to 135,067.45, 202,628.31 and 40,299.07 is: 60,456.70
Step by Step Solution
- Step 1: Write the proportion equation
135,067.45 : 202,628.31 = 40,299.07 : x - Step 2: Convert to fraction form
135,067.45/202,628.31 = 40,299.07/x - Step 3: Cross multiply
135,067.45x = 202,628.31 × 40,299.07 - Step 4: Simplify right side
135,067.45x = 8,165,732,448.67 - Step 5: Solve for x
x = 8,165,732,448.67/135,067.45 - Step 6: Final answer
x = 60,456.70
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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.