Finding the Fourth Proportional to 147,007.36, 202,865.34 and 82,472.68
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Solution
The fourth proportional to 147,007.36, 202,865.34 and 82,472.68 is: 113,809.60
Step by Step Solution
- Step 1: Write the proportion equation
147,007.36 : 202,865.34 = 82,472.68 : x - Step 2: Convert to fraction form
147,007.36/202,865.34 = 82,472.68/x - Step 3: Cross multiply
147,007.36x = 202,865.34 × 82,472.68 - Step 4: Simplify right side
147,007.36x = 16,730,848,268.91 - Step 5: Solve for x
x = 16,730,848,268.91/147,007.36 - Step 6: Final answer
x = 113,809.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.