Finding the Fourth Proportional to 193,787.28, 267,398.04 and 107,739.36
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Solution
The fourth proportional to 193,787.28, 267,398.04 and 107,739.36 is: 148,664.52
Step by Step Solution
- Step 1: Write the proportion equation
193,787.28 : 267,398.04 = 107,739.36 : x - Step 2: Convert to fraction form
193,787.28/267,398.04 = 107,739.36/x - Step 3: Cross multiply
193,787.28x = 267,398.04 × 107,739.36 - Step 4: Simplify right side
193,787.28x = 28,809,293,694.85 - Step 5: Solve for x
x = 28,809,293,694.85/193,787.28 - Step 6: Final answer
x = 148,664.52
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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.