Finding the Fourth Proportional to 211,842.26, 317,762.93 and 133,011.84
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Solution
The fourth proportional to 211,842.26, 317,762.93 and 133,011.84 is: 199,517.47
Step by Step Solution
- Step 1: Write the proportion equation
211,842.26 : 317,762.93 = 133,011.84 : x - Step 2: Convert to fraction form
211,842.26/317,762.93 = 133,011.84/x - Step 3: Cross multiply
211,842.26x = 317,762.93 × 133,011.84 - Step 4: Simplify right side
211,842.26x = 42,266,231,338.03 - Step 5: Solve for x
x = 42,266,231,338.03/211,842.26 - Step 6: Final answer
x = 199,517.47
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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.