Finding the Fourth Proportional to 263,478.80, 395,218.20 and 245,853.20
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Solution
The fourth proportional to 263,478.80, 395,218.20 and 245,853.20 is: 368,779.80
Step by Step Solution
- Step 1: Write the proportion equation
263,478.80 : 395,218.20 = 245,853.20 : x - Step 2: Convert to fraction form
263,478.80/395,218.20 = 245,853.20/x - Step 3: Cross multiply
263,478.80x = 395,218.20 × 245,853.20 - Step 4: Simplify right side
263,478.80x = 97,165,659,168.24 - Step 5: Solve for x
x = 97,165,659,168.24/263,478.80 - Step 6: Final answer
x = 368,779.80
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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.