Finding the Fourth Proportional to 242,778.65, 335,027.93 and 140,797.62
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Solution
The fourth proportional to 242,778.65, 335,027.93 and 140,797.62 is: 194,296.89
Step by Step Solution
- Step 1: Write the proportion equation
242,778.65 : 335,027.93 = 140,797.62 : x - Step 2: Convert to fraction form
242,778.65/335,027.93 = 140,797.62/x - Step 3: Cross multiply
242,778.65x = 335,027.93 × 140,797.62 - Step 4: Simplify right side
242,778.65x = 47,171,134,473.54 - Step 5: Solve for x
x = 47,171,134,473.54/242,778.65 - Step 6: Final answer
x = 194,296.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.