Finding the Fourth Proportional to 218,907.80, 302,092.80 and 118,305.80
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Solution
The fourth proportional to 218,907.80, 302,092.80 and 118,305.80 is: 163,262.02
Step by Step Solution
- Step 1: Write the proportion equation
218,907.80 : 302,092.80 = 118,305.80 : x - Step 2: Convert to fraction form
218,907.80/302,092.80 = 118,305.80/x - Step 3: Cross multiply
218,907.80x = 302,092.80 × 118,305.80 - Step 4: Simplify right side
218,907.80x = 35,739,330,378.24 - Step 5: Solve for x
x = 35,739,330,378.24/218,907.80 - Step 6: Final answer
x = 163,262.02
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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.