Finding the Fourth Proportional to 178,858.65, 246,771.11 and 107,212.53
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Solution
The fourth proportional to 178,858.65, 246,771.11 and 107,212.53 is: 147,921.03
Step by Step Solution
- Step 1: Write the proportion equation
178,858.65 : 246,771.11 = 107,212.53 : x - Step 2: Convert to fraction form
178,858.65/246,771.11 = 107,212.53/x - Step 3: Cross multiply
178,858.65x = 246,771.11 × 107,212.53 - Step 4: Simplify right side
178,858.65x = 26,456,955,302.04 - Step 5: Solve for x
x = 26,456,955,302.04/178,858.65 - Step 6: Final answer
x = 147,921.03
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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.