Finding the Fourth Proportional to 178,207.56, 245,958.12 and 106,595.46
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Solution
The fourth proportional to 178,207.56, 245,958.12 and 106,595.46 is: 147,120.69
Step by Step Solution
- Step 1: Write the proportion equation
178,207.56 : 245,958.12 = 106,595.46 : x - Step 2: Convert to fraction form
178,207.56/245,958.12 = 106,595.46/x - Step 3: Cross multiply
178,207.56x = 245,958.12 × 106,595.46 - Step 4: Simplify right side
178,207.56x = 26,218,018,942.14 - Step 5: Solve for x
x = 26,218,018,942.14/178,207.56 - Step 6: Final answer
x = 147,120.69
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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.