Finding the Fourth Proportional to 235,020.42, 352,455.84 and 77,212.44
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Solution
The fourth proportional to 235,020.42, 352,455.84 and 77,212.44 is: 115,794.09
Step by Step Solution
- Step 1: Write the proportion equation
235,020.42 : 352,455.84 = 77,212.44 : x - Step 2: Convert to fraction form
235,020.42/352,455.84 = 77,212.44/x - Step 3: Cross multiply
235,020.42x = 352,455.84 × 77,212.44 - Step 4: Simplify right side
235,020.42x = 27,213,975,398.65 - Step 5: Solve for x
x = 27,213,975,398.65/235,020.42 - Step 6: Final answer
x = 115,794.09
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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.