Finding the Fourth Proportional to 240,615.70, 332,085.26 and 138,621.77
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Solution
The fourth proportional to 240,615.70, 332,085.26 and 138,621.77 is: 191,318.55
Step by Step Solution
- Step 1: Write the proportion equation
240,615.70 : 332,085.26 = 138,621.77 : x - Step 2: Convert to fraction form
240,615.70/332,085.26 = 138,621.77/x - Step 3: Cross multiply
240,615.70x = 332,085.26 × 138,621.77 - Step 4: Simplify right side
240,615.70x = 46,034,245,218.24 - Step 5: Solve for x
x = 46,034,245,218.24/240,615.70 - Step 6: Final answer
x = 191,318.55
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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.