Finding the Fourth Proportional to 275,207.60, 412,714.20 and 97,720.40
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Solution
The fourth proportional to 275,207.60, 412,714.20 and 97,720.40 is: 146,546.09
Step by Step Solution
- Step 1: Write the proportion equation
275,207.60 : 412,714.20 = 97,720.40 : x - Step 2: Convert to fraction form
275,207.60/412,714.20 = 97,720.40/x - Step 3: Cross multiply
275,207.60x = 412,714.20 × 97,720.40 - Step 4: Simplify right side
275,207.60x = 40,330,596,709.68 - Step 5: Solve for x
x = 40,330,596,709.68/275,207.60 - Step 6: Final answer
x = 146,546.09
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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.