Finding the Fourth Proportional to 367,852.68, 551,481.12 and 115,003.08
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Solution
The fourth proportional to 367,852.68, 551,481.12 and 115,003.08 is: 172,411.49
Step by Step Solution
- Step 1: Write the proportion equation
367,852.68 : 551,481.12 = 115,003.08 : x - Step 2: Convert to fraction form
367,852.68/551,481.12 = 115,003.08/x - Step 3: Cross multiply
367,852.68x = 551,481.12 × 115,003.08 - Step 4: Simplify right side
367,852.68x = 63,422,027,361.85 - Step 5: Solve for x
x = 63,422,027,361.85/367,852.68 - Step 6: Final answer
x = 172,411.49
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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.