Finding the Fourth Proportional to 202,171.20, 303,329.70 and 83,878.80
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Solution
The fourth proportional to 202,171.20, 303,329.70 and 83,878.80 is: 125,848.45
Step by Step Solution
- Step 1: Write the proportion equation
202,171.20 : 303,329.70 = 83,878.80 : x - Step 2: Convert to fraction form
202,171.20/303,329.70 = 83,878.80/x - Step 3: Cross multiply
202,171.20x = 303,329.70 × 83,878.80 - Step 4: Simplify right side
202,171.20x = 25,442,931,240.36 - Step 5: Solve for x
x = 25,442,931,240.36/202,171.20 - Step 6: Final answer
x = 125,848.45
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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.