Finding the Fourth Proportional to 218,796.63, 301,939.62 and 118,194.63
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Solution
The fourth proportional to 218,796.63, 301,939.62 and 118,194.63 is: 163,108.74
Step by Step Solution
- Step 1: Write the proportion equation
218,796.63 : 301,939.62 = 118,194.63 : x - Step 2: Convert to fraction form
218,796.63/301,939.62 = 118,194.63/x - Step 3: Cross multiply
218,796.63x = 301,939.62 × 118,194.63 - Step 4: Simplify right side
218,796.63x = 35,687,641,668.24 - Step 5: Solve for x
x = 35,687,641,668.24/218,796.63 - Step 6: Final answer
x = 163,108.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.