Finding the Fourth Proportional to 202,412.92, 279,354.46 and 117,529.99
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Solution
The fourth proportional to 202,412.92, 279,354.46 and 117,529.99 is: 162,205.68
Step by Step Solution
- Step 1: Write the proportion equation
202,412.92 : 279,354.46 = 117,529.99 : x - Step 2: Convert to fraction form
202,412.92/279,354.46 = 117,529.99/x - Step 3: Cross multiply
202,412.92x = 279,354.46 × 117,529.99 - Step 4: Simplify right side
202,412.92x = 32,832,525,787.31 - Step 5: Solve for x
x = 32,832,525,787.31/202,412.92 - Step 6: Final answer
x = 162,205.68
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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.