Finding the Fourth Proportional to 135,005.71, 202,537.20 and 46,235.38
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Solution
The fourth proportional to 135,005.71, 202,537.20 and 46,235.38 is: 69,362.88
Step by Step Solution
- Step 1: Write the proportion equation
135,005.71 : 202,537.20 = 46,235.38 : x - Step 2: Convert to fraction form
135,005.71/202,537.20 = 46,235.38/x - Step 3: Cross multiply
135,005.71x = 202,537.20 × 46,235.38 - Step 4: Simplify right side
135,005.71x = 9,364,384,406.14 - Step 5: Solve for x
x = 9,364,384,406.14/135,005.71 - Step 6: Final answer
x = 69,362.88
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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.