Finding the Fourth Proportional to 134,888.49, 202,434.12 and 50,731.65
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Solution
The fourth proportional to 134,888.49, 202,434.12 and 50,731.65 is: 76,135.61
Step by Step Solution
- Step 1: Write the proportion equation
134,888.49 : 202,434.12 = 50,731.65 : x - Step 2: Convert to fraction form
134,888.49/202,434.12 = 50,731.65/x - Step 3: Cross multiply
134,888.49x = 202,434.12 × 50,731.65 - Step 4: Simplify right side
134,888.49x = 10,269,816,923.90 - Step 5: Solve for x
x = 10,269,816,923.90/134,888.49 - Step 6: Final answer
x = 76,135.61
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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.