Finding the Fourth Proportional to 165,712.10, 248,276.55 and 135,968.90
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Solution
The fourth proportional to 165,712.10, 248,276.55 and 135,968.90 is: 203,714.09
Step by Step Solution
- Step 1: Write the proportion equation
165,712.10 : 248,276.55 = 135,968.90 : x - Step 2: Convert to fraction form
165,712.10/248,276.55 = 135,968.90/x - Step 3: Cross multiply
165,712.10x = 248,276.55 × 135,968.90 - Step 4: Simplify right side
165,712.10x = 33,757,889,399.30 - Step 5: Solve for x
x = 33,757,889,399.30/165,712.10 - Step 6: Final answer
x = 203,714.09
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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.