Finding the Fourth Proportional to 164,521.53, 246,884.36 and 75,787.65
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Solution
The fourth proportional to 164,521.53, 246,884.36 and 75,787.65 is: 113,728.49
Step by Step Solution
- Step 1: Write the proportion equation
164,521.53 : 246,884.36 = 75,787.65 : x - Step 2: Convert to fraction form
164,521.53/246,884.36 = 75,787.65/x - Step 3: Cross multiply
164,521.53x = 246,884.36 × 75,787.65 - Step 4: Simplify right side
164,521.53x = 18,710,785,087.22 - Step 5: Solve for x
x = 18,710,785,087.22/164,521.53 - Step 6: Final answer
x = 113,728.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.