Finding the Fourth Proportional to 207,560.56, 286,440.60 and 122,750.32
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Solution
The fourth proportional to 207,560.56, 286,440.60 and 122,750.32 is: 169,399.60
Step by Step Solution
- Step 1: Write the proportion equation
207,560.56 : 286,440.60 = 122,750.32 : x - Step 2: Convert to fraction form
207,560.56/286,440.60 = 122,750.32/x - Step 3: Cross multiply
207,560.56x = 286,440.60 × 122,750.32 - Step 4: Simplify right side
207,560.56x = 35,160,675,310.99 - Step 5: Solve for x
x = 35,160,675,310.99/207,560.56 - Step 6: Final answer
x = 169,399.60
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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.