Finding the Fourth Proportional to 201,695.20, 302,542.80 and 170,591.20
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Solution
The fourth proportional to 201,695.20, 302,542.80 and 170,591.20 is: 255,886.80
Step by Step Solution
- Step 1: Write the proportion equation
201,695.20 : 302,542.80 = 170,591.20 : x - Step 2: Convert to fraction form
201,695.20/302,542.80 = 170,591.20/x - Step 3: Cross multiply
201,695.20x = 302,542.80 × 170,591.20 - Step 4: Simplify right side
201,695.20x = 51,611,139,303.36 - Step 5: Solve for x
x = 51,611,139,303.36/201,695.20 - Step 6: Final answer
x = 255,886.80
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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.