Finding the Fourth Proportional to 165,787.46, 248,754.68 and 86,882.92
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Solution
The fourth proportional to 165,787.46, 248,754.68 and 86,882.92 is: 130,362.89
Step by Step Solution
- Step 1: Write the proportion equation
165,787.46 : 248,754.68 = 86,882.92 : x - Step 2: Convert to fraction form
165,787.46/248,754.68 = 86,882.92/x - Step 3: Cross multiply
165,787.46x = 248,754.68 × 86,882.92 - Step 4: Simplify right side
165,787.46x = 21,612,532,962.07 - Step 5: Solve for x
x = 21,612,532,962.07/165,787.46 - Step 6: Final answer
x = 130,362.89
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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.