Finding the Fourth Proportional to 170,797.48, 256,352.49 and 86,615.75
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Solution
The fourth proportional to 170,797.48, 256,352.49 and 86,615.75 is: 130,002.88
Step by Step Solution
- Step 1: Write the proportion equation
170,797.48 : 256,352.49 = 86,615.75 : x - Step 2: Convert to fraction form
170,797.48/256,352.49 = 86,615.75/x - Step 3: Cross multiply
170,797.48x = 256,352.49 × 86,615.75 - Step 4: Simplify right side
170,797.48x = 22,204,163,826.60 - Step 5: Solve for x
x = 22,204,163,826.60/170,797.48 - Step 6: Final answer
x = 130,002.88
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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.