Finding the Fourth Proportional to 383,895.18, 529,771.84 and 211,814.73
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Solution
The fourth proportional to 383,895.18, 529,771.84 and 211,814.73 is: 292,302.39
Step by Step Solution
- Step 1: Write the proportion equation
383,895.18 : 529,771.84 = 211,814.73 : x - Step 2: Convert to fraction form
383,895.18/529,771.84 = 211,814.73/x - Step 3: Cross multiply
383,895.18x = 529,771.84 × 211,814.73 - Step 4: Simplify right side
383,895.18x = 112,213,479,251.20 - Step 5: Solve for x
x = 112,213,479,251.20/383,895.18 - Step 6: Final answer
x = 292,302.39
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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.