Finding the Fourth Proportional to 332,549.75, 458,941.80 and 189,309.75
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Solution
The fourth proportional to 332,549.75, 458,941.80 and 189,309.75 is: 261,260.63
Step by Step Solution
- Step 1: Write the proportion equation
332,549.75 : 458,941.80 = 189,309.75 : x - Step 2: Convert to fraction form
332,549.75/458,941.80 = 189,309.75/x - Step 3: Cross multiply
332,549.75x = 458,941.80 × 189,309.75 - Step 4: Simplify right side
332,549.75x = 86,882,157,422.55 - Step 5: Solve for x
x = 86,882,157,422.55/332,549.75 - Step 6: Final answer
x = 261,260.63
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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.