Finding the Fourth Proportional to 268,750.38, 370,876.86 and 147,888.66
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Solution
The fourth proportional to 268,750.38, 370,876.86 and 147,888.66 is: 204,087.09
Step by Step Solution
- Step 1: Write the proportion equation
268,750.38 : 370,876.86 = 147,888.66 : x - Step 2: Convert to fraction form
268,750.38/370,876.86 = 147,888.66/x - Step 3: Cross multiply
268,750.38x = 370,876.86 × 147,888.66 - Step 4: Simplify right side
268,750.38x = 54,848,481,850.41 - Step 5: Solve for x
x = 54,848,481,850.41/268,750.38 - Step 6: Final answer
x = 204,087.09
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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.