Finding the Fourth Proportional to 214,969.52, 322,512.60 and 74,739.08
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Solution
The fourth proportional to 214,969.52, 322,512.60 and 74,739.08 is: 112,128.90
Step by Step Solution
- Step 1: Write the proportion equation
214,969.52 : 322,512.60 = 74,739.08 : x - Step 2: Convert to fraction form
214,969.52/322,512.60 = 74,739.08/x - Step 3: Cross multiply
214,969.52x = 322,512.60 × 74,739.08 - Step 4: Simplify right side
214,969.52x = 24,104,295,012.41 - Step 5: Solve for x
x = 24,104,295,012.41/214,969.52 - Step 6: Final answer
x = 112,128.90
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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.