Finding the Fourth Proportional to 265,242.06, 397,867.29 and 147,660.75
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Solution
The fourth proportional to 265,242.06, 397,867.29 and 147,660.75 is: 221,493.46
Step by Step Solution
- Step 1: Write the proportion equation
265,242.06 : 397,867.29 = 147,660.75 : x - Step 2: Convert to fraction form
265,242.06/397,867.29 = 147,660.75/x - Step 3: Cross multiply
265,242.06x = 397,867.29 × 147,660.75 - Step 4: Simplify right side
265,242.06x = 58,749,382,441.87 - Step 5: Solve for x
x = 58,749,382,441.87/265,242.06 - Step 6: Final answer
x = 221,493.46
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1.5x scale
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.