Finding the Fourth Proportional to 352,860.08, 529,310.40 and 100,120.79
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Solution
The fourth proportional to 352,860.08, 529,310.40 and 100,120.79 is: 150,186.94
Step by Step Solution
- Step 1: Write the proportion equation
352,860.08 : 529,310.40 = 100,120.79 : x - Step 2: Convert to fraction form
352,860.08/529,310.40 = 100,120.79/x - Step 3: Cross multiply
352,860.08x = 529,310.40 × 100,120.79 - Step 4: Simplify right side
352,860.08x = 52,994,976,351.04 - Step 5: Solve for x
x = 52,994,976,351.04/352,860.08 - Step 6: Final answer
x = 150,186.94
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1.5x scale
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.