Finding the Fourth Proportional to 135,445.01, 202,908.49 and 82,153.29
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Solution
The fourth proportional to 135,445.01, 202,908.49 and 82,153.29 is: 123,072.82
Step by Step Solution
- Step 1: Write the proportion equation
135,445.01 : 202,908.49 = 82,153.29 : x - Step 2: Convert to fraction form
135,445.01/202,908.49 = 82,153.29/x - Step 3: Cross multiply
135,445.01x = 202,908.49 × 82,153.29 - Step 4: Simplify right side
135,445.01x = 16,669,599,898.71 - Step 5: Solve for x
x = 16,669,599,898.71/135,445.01 - Step 6: Final answer
x = 123,072.82
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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.