Finding the Fourth Proportional to 190,097.13, 285,145.69 and 49,855.75
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Solution
The fourth proportional to 190,097.13, 285,145.69 and 49,855.75 is: 74,783.62
Step by Step Solution
- Step 1: Write the proportion equation
190,097.13 : 285,145.69 = 49,855.75 : x - Step 2: Convert to fraction form
190,097.13/285,145.69 = 49,855.75/x - Step 3: Cross multiply
190,097.13x = 285,145.69 × 49,855.75 - Step 4: Simplify right side
190,097.13x = 14,216,152,234.22 - Step 5: Solve for x
x = 14,216,152,234.22/190,097.13 - Step 6: Final answer
x = 74,783.62
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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.