Finding the Fourth Proportional to 177,159.68, 265,849.73 and 71,978.65
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Solution
The fourth proportional to 177,159.68, 265,849.73 and 71,978.65 is: 108,012.75
Step by Step Solution
- Step 1: Write the proportion equation
177,159.68 : 265,849.73 = 71,978.65 : x - Step 2: Convert to fraction form
177,159.68/265,849.73 = 71,978.65/x - Step 3: Cross multiply
177,159.68x = 265,849.73 × 71,978.65 - Step 4: Simplify right side
177,159.68x = 19,135,504,668.26 - Step 5: Solve for x
x = 19,135,504,668.26/177,159.68 - Step 6: Final answer
x = 108,012.75
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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.