Finding the Fourth Proportional to 207,170.96, 286,978.70 and 202,971.92
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Solution
The fourth proportional to 207,170.96, 286,978.70 and 202,971.92 is: 281,162.08
Step by Step Solution
- Step 1: Write the proportion equation
207,170.96 : 286,978.70 = 202,971.92 : x - Step 2: Convert to fraction form
207,170.96/286,978.70 = 202,971.92/x - Step 3: Cross multiply
207,170.96x = 286,978.70 × 202,971.92 - Step 4: Simplify right side
207,170.96x = 58,248,617,738.10 - Step 5: Solve for x
x = 58,248,617,738.10/207,170.96 - Step 6: Final answer
x = 281,162.08
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.