Finding the Fourth Proportional to 189,568.73, 261,541.83 and 125,070.00
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Solution
The fourth proportional to 189,568.73, 261,541.83 and 125,070.00 is: 172,555.03
Step by Step Solution
- Step 1: Write the proportion equation
189,568.73 : 261,541.83 = 125,070.00 : x - Step 2: Convert to fraction form
189,568.73/261,541.83 = 125,070.00/x - Step 3: Cross multiply
189,568.73x = 261,541.83 × 125,070.00 - Step 4: Simplify right side
189,568.73x = 32,711,037,883.35 - Step 5: Solve for x
x = 32,711,037,883.35/189,568.73 - Step 6: Final answer
x = 172,555.03
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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.