Finding the Fourth Proportional to 240,788.11, 332,286.87 and 138,813.08
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Solution
The fourth proportional to 240,788.11, 332,286.87 and 138,813.08 is: 191,561.63
Step by Step Solution
- Step 1: Write the proportion equation
240,788.11 : 332,286.87 = 138,813.08 : x - Step 2: Convert to fraction form
240,788.11/332,286.87 = 138,813.08/x - Step 3: Cross multiply
240,788.11x = 332,286.87 × 138,813.08 - Step 4: Simplify right side
240,788.11x = 46,125,763,868.26 - Step 5: Solve for x
x = 46,125,763,868.26/240,788.11 - Step 6: Final answer
x = 191,561.63
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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.