Finding the Fourth Proportional to 211,251.19, 291,527.80 and 114,456.62
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Solution
The fourth proportional to 211,251.19, 291,527.80 and 114,456.62 is: 157,950.76
Step by Step Solution
- Step 1: Write the proportion equation
211,251.19 : 291,527.80 = 114,456.62 : x - Step 2: Convert to fraction form
211,251.19/291,527.80 = 114,456.62/x - Step 3: Cross multiply
211,251.19x = 291,527.80 × 114,456.62 - Step 4: Simplify right side
211,251.19x = 33,367,286,624.04 - Step 5: Solve for x
x = 33,367,286,624.04/211,251.19 - Step 6: Final answer
x = 157,950.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.