Finding the Fourth Proportional to 214,845.60, 322,070.76 and 115,074.12
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Solution
The fourth proportional to 214,845.60, 322,070.76 and 115,074.12 is: 172,505.32
Step by Step Solution
- Step 1: Write the proportion equation
214,845.60 : 322,070.76 = 115,074.12 : x - Step 2: Convert to fraction form
214,845.60/322,070.76 = 115,074.12/x - Step 3: Cross multiply
214,845.60x = 322,070.76 × 115,074.12 - Step 4: Simplify right side
214,845.60x = 37,062,009,284.73 - Step 5: Solve for x
x = 37,062,009,284.73/214,845.60 - Step 6: Final answer
x = 172,505.32
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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.