Finding the Fourth Proportional to 133,165.09, 199,740.84 and 48,918.79
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Solution
The fourth proportional to 133,165.09, 199,740.84 and 48,918.79 is: 73,375.69
Step by Step Solution
- Step 1: Write the proportion equation
133,165.09 : 199,740.84 = 48,918.79 : x - Step 2: Convert to fraction form
133,165.09/199,740.84 = 48,918.79/x - Step 3: Cross multiply
133,165.09x = 199,740.84 × 48,918.79 - Step 4: Simplify right side
133,165.09x = 9,771,080,206.38 - Step 5: Solve for x
x = 9,771,080,206.38/133,165.09 - Step 6: Final answer
x = 73,375.69
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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.