Finding the Fourth Proportional to 134,843.40, 202,265.10 and 119,809.80
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Solution
The fourth proportional to 134,843.40, 202,265.10 and 119,809.80 is: 179,714.70
Step by Step Solution
- Step 1: Write the proportion equation
134,843.40 : 202,265.10 = 119,809.80 : x - Step 2: Convert to fraction form
134,843.40/202,265.10 = 119,809.80/x - Step 3: Cross multiply
134,843.40x = 202,265.10 × 119,809.80 - Step 4: Simplify right side
134,843.40x = 24,233,341,177.98 - Step 5: Solve for x
x = 24,233,341,177.98/134,843.40 - Step 6: Final answer
x = 179,714.70
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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.