Finding the Fourth Proportional to 240,614.20, 332,083.19 and 138,620.26
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Solution
The fourth proportional to 240,614.20, 332,083.19 and 138,620.26 is: 191,316.47
Step by Step Solution
- Step 1: Write the proportion equation
240,614.20 : 332,083.19 = 138,620.26 : x - Step 2: Convert to fraction form
240,614.20/332,083.19 = 138,620.26/x - Step 3: Cross multiply
240,614.20x = 332,083.19 × 138,620.26 - Step 4: Simplify right side
240,614.20x = 46,033,458,901.08 - Step 5: Solve for x
x = 46,033,458,901.08/240,614.20 - Step 6: Final answer
x = 191,316.47
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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.