Finding the Fourth Proportional to 201,735.20, 302,602.80 and 53,991.20
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Solution
The fourth proportional to 201,735.20, 302,602.80 and 53,991.20 is: 80,986.80
Step by Step Solution
- Step 1: Write the proportion equation
201,735.20 : 302,602.80 = 53,991.20 : x - Step 2: Convert to fraction form
201,735.20/302,602.80 = 53,991.20/x - Step 3: Cross multiply
201,735.20x = 302,602.80 × 53,991.20 - Step 4: Simplify right side
201,735.20x = 16,337,888,295.36 - Step 5: Solve for x
x = 16,337,888,295.36/201,735.20 - Step 6: Final answer
x = 80,986.80
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1.5x scale
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.