Finding the Fourth Proportional to 202,270.80, 303,406.20 and 69,139.20
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Solution
The fourth proportional to 202,270.80, 303,406.20 and 69,139.20 is: 103,708.80
Step by Step Solution
- Step 1: Write the proportion equation
202,270.80 : 303,406.20 = 69,139.20 : x - Step 2: Convert to fraction form
202,270.80/303,406.20 = 69,139.20/x - Step 3: Cross multiply
202,270.80x = 303,406.20 × 69,139.20 - Step 4: Simplify right side
202,270.80x = 20,977,261,943.04 - Step 5: Solve for x
x = 20,977,261,943.04/202,270.80 - Step 6: Final answer
x = 103,708.80
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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.