Finding the Fourth Proportional to 240,859.62, 332,389.13 and 133,431.75
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Solution
The fourth proportional to 240,859.62, 332,389.13 and 133,431.75 is: 184,137.39
Step by Step Solution
- Step 1: Write the proportion equation
240,859.62 : 332,389.13 = 133,431.75 : x - Step 2: Convert to fraction form
240,859.62/332,389.13 = 133,431.75/x - Step 3: Cross multiply
240,859.62x = 332,389.13 × 133,431.75 - Step 4: Simplify right side
240,859.62x = 44,351,262,629.72 - Step 5: Solve for x
x = 44,351,262,629.72/240,859.62 - Step 6: Final answer
x = 184,137.39
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1.5x scale
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.