Finding the Fourth Proportional to 335,979.20, 503,277.60 and 169,860.80
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Solution
The fourth proportional to 335,979.20, 503,277.60 and 169,860.80 is: 254,441.75
Step by Step Solution
- Step 1: Write the proportion equation
335,979.20 : 503,277.60 = 169,860.80 : x - Step 2: Convert to fraction form
335,979.20/503,277.60 = 169,860.80/x - Step 3: Cross multiply
335,979.20x = 503,277.60 × 169,860.80 - Step 4: Simplify right side
335,979.20x = 85,487,135,758.08 - Step 5: Solve for x
x = 85,487,135,758.08/335,979.20 - Step 6: Final answer
x = 254,441.75
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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.