Finding the Fourth Proportional to 227,238.42, 313,574.94 and 125,258.61
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Solution
The fourth proportional to 227,238.42, 313,574.94 and 125,258.61 is: 172,849.12
Step by Step Solution
- Step 1: Write the proportion equation
227,238.42 : 313,574.94 = 125,258.61 : x - Step 2: Convert to fraction form
227,238.42/313,574.94 = 125,258.61/x - Step 3: Cross multiply
227,238.42x = 313,574.94 × 125,258.61 - Step 4: Simplify right side
227,238.42x = 39,277,961,115.23 - Step 5: Solve for x
x = 39,277,961,115.23/227,238.42 - Step 6: Final answer
x = 172,849.12
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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.