Finding the Fourth Proportional to 221,995.24, 306,383.46 and 125,218.96
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Solution
The fourth proportional to 221,995.24, 306,383.46 and 125,218.96 is: 172,819.10
Step by Step Solution
- Step 1: Write the proportion equation
221,995.24 : 306,383.46 = 125,218.96 : x - Step 2: Convert to fraction form
221,995.24/306,383.46 = 125,218.96/x - Step 3: Cross multiply
221,995.24x = 306,383.46 × 125,218.96 - Step 4: Simplify right side
221,995.24x = 38,365,018,222.40 - Step 5: Solve for x
x = 38,365,018,222.40/221,995.24 - Step 6: Final answer
x = 172,819.10
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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.