Finding the Fourth Proportional to 135,359.14, 202,797.55 and 115,435.58
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Solution
The fourth proportional to 135,359.14, 202,797.55 and 115,435.58 is: 172,947.71
Step by Step Solution
- Step 1: Write the proportion equation
135,359.14 : 202,797.55 = 115,435.58 : x - Step 2: Convert to fraction form
135,359.14/202,797.55 = 115,435.58/x - Step 3: Cross multiply
135,359.14x = 202,797.55 × 115,435.58 - Step 4: Simplify right side
135,359.14x = 23,410,052,806.83 - Step 5: Solve for x
x = 23,410,052,806.83/135,359.14 - Step 6: Final answer
x = 172,947.71
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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.