Finding the Fourth Proportional to 135,079.25, 202,618.88 and 51,953.81
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Solution
The fourth proportional to 135,079.25, 202,618.88 and 51,953.81 is: 77,930.72
Step by Step Solution
- Step 1: Write the proportion equation
135,079.25 : 202,618.88 = 51,953.81 : x - Step 2: Convert to fraction form
135,079.25/202,618.88 = 51,953.81/x - Step 3: Cross multiply
135,079.25x = 202,618.88 × 51,953.81 - Step 4: Simplify right side
135,079.25x = 10,526,823,235.54 - Step 5: Solve for x
x = 10,526,823,235.54/135,079.25 - Step 6: Final answer
x = 77,930.72
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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.