Finding the Fourth Proportional to 202,177.20, 303,338.70 and 83,884.80
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Solution
The fourth proportional to 202,177.20, 303,338.70 and 83,884.80 is: 125,857.45
Step by Step Solution
- Step 1: Write the proportion equation
202,177.20 : 303,338.70 = 83,884.80 : x - Step 2: Convert to fraction form
202,177.20/303,338.70 = 83,884.80/x - Step 3: Cross multiply
202,177.20x = 303,338.70 × 83,884.80 - Step 4: Simplify right side
202,177.20x = 25,445,506,181.76 - Step 5: Solve for x
x = 25,445,506,181.76/202,177.20 - Step 6: Final answer
x = 125,857.45
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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.