Finding the Fourth Proportional to 332,491.18, 458,840.75 and 189,260.44
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Solution
The fourth proportional to 332,491.18, 458,840.75 and 189,260.44 is: 261,181.07
Step by Step Solution
- Step 1: Write the proportion equation
332,491.18 : 458,840.75 = 189,260.44 : x - Step 2: Convert to fraction form
332,491.18/458,840.75 = 189,260.44/x - Step 3: Cross multiply
332,491.18x = 458,840.75 × 189,260.44 - Step 4: Simplify right side
332,491.18x = 86,840,402,234.93 - Step 5: Solve for x
x = 86,840,402,234.93/332,491.18 - Step 6: Final answer
x = 261,181.07
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1.5x scale
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.