Finding the Fourth Proportional to 202,409.20, 283,787.60 and 202,409.20
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Solution
The fourth proportional to 202,409.20, 283,787.60 and 202,409.20 is: 283,787.60
Step by Step Solution
- Step 1: Write the proportion equation
202,409.20 : 283,787.60 = 202,409.20 : x - Step 2: Convert to fraction form
202,409.20/283,787.60 = 202,409.20/x - Step 3: Cross multiply
202,409.20x = 283,787.60 × 202,409.20 - Step 4: Simplify right side
202,409.20x = 57,441,221,085.92 - Step 5: Solve for x
x = 57,441,221,085.92/202,409.20 - Step 6: Final answer
x = 283,787.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.