Finding the Fourth Proportional to 261,489.68, 360,931.92 and 170,859.44
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Solution
The fourth proportional to 261,489.68, 360,931.92 and 170,859.44 is: 235,835.79
Step by Step Solution
- Step 1: Write the proportion equation
261,489.68 : 360,931.92 = 170,859.44 : x - Step 2: Convert to fraction form
261,489.68/360,931.92 = 170,859.44/x - Step 3: Cross multiply
261,489.68x = 360,931.92 × 170,859.44 - Step 4: Simplify right side
261,489.68x = 61,668,625,729.32 - Step 5: Solve for x
x = 61,668,625,729.32/261,489.68 - Step 6: Final answer
x = 235,835.79
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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.