Finding the Fourth Proportional to 489,036.24, 733,491.97 and 189,311.74
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Solution
The fourth proportional to 489,036.24, 733,491.97 and 189,311.74 is: 283,943.46
Step by Step Solution
- Step 1: Write the proportion equation
489,036.24 : 733,491.97 = 189,311.74 : x - Step 2: Convert to fraction form
489,036.24/733,491.97 = 189,311.74/x - Step 3: Cross multiply
489,036.24x = 733,491.97 × 189,311.74 - Step 4: Simplify right side
489,036.24x = 138,858,641,116.73 - Step 5: Solve for x
x = 138,858,641,116.73/489,036.24 - Step 6: Final answer
x = 283,943.46
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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.