Finding the Fourth Proportional to 202,299.20, 302,865.60 and 202,299.20
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Solution
The fourth proportional to 202,299.20, 302,865.60 and 202,299.20 is: 302,865.60
Step by Step Solution
- Step 1: Write the proportion equation
202,299.20 : 302,865.60 = 202,299.20 : x - Step 2: Convert to fraction form
202,299.20/302,865.60 = 202,299.20/x - Step 3: Cross multiply
202,299.20x = 302,865.60 × 202,299.20 - Step 4: Simplify right side
202,299.20x = 61,269,468,587.52 - Step 5: Solve for x
x = 61,269,468,587.52/202,299.20 - Step 6: Final answer
x = 302,865.60
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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.