Finding the Fourth Proportional to 135,095.74, 202,468.34 and 55,040.60
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Solution
The fourth proportional to 135,095.74, 202,468.34 and 55,040.60 is: 82,489.50
Step by Step Solution
- Step 1: Write the proportion equation
135,095.74 : 202,468.34 = 55,040.60 : x - Step 2: Convert to fraction form
135,095.74/202,468.34 = 55,040.60/x - Step 3: Cross multiply
135,095.74x = 202,468.34 × 55,040.60 - Step 4: Simplify right side
135,095.74x = 11,143,979,558.38 - Step 5: Solve for x
x = 11,143,979,558.38/135,095.74 - Step 6: Final answer
x = 82,489.50
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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.