Finding the Fourth Proportional to 211,084.44, 316,624.67 and 91,226.13
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Solution
The fourth proportional to 211,084.44, 316,624.67 and 91,226.13 is: 136,838.33
Step by Step Solution
- Step 1: Write the proportion equation
211,084.44 : 316,624.67 = 91,226.13 : x - Step 2: Convert to fraction form
211,084.44/316,624.67 = 91,226.13/x - Step 3: Cross multiply
211,084.44x = 316,624.67 × 91,226.13 - Step 4: Simplify right side
211,084.44x = 28,884,443,306.63 - Step 5: Solve for x
x = 28,884,443,306.63/211,084.44 - Step 6: Final answer
x = 136,838.33
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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.