Finding the Fourth Proportional to 146,679.36, 202,787.70 and 108,378.49
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Solution
The fourth proportional to 146,679.36, 202,787.70 and 108,378.49 is: 149,835.84
Step by Step Solution
- Step 1: Write the proportion equation
146,679.36 : 202,787.70 = 108,378.49 : x - Step 2: Convert to fraction form
146,679.36/202,787.70 = 108,378.49/x - Step 3: Cross multiply
146,679.36x = 202,787.70 × 108,378.49 - Step 4: Simplify right side
146,679.36x = 21,977,824,962.72 - Step 5: Solve for x
x = 21,977,824,962.72/146,679.36 - Step 6: Final answer
x = 149,835.84
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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.