Finding the Fourth Proportional to 218,922.75, 302,113.44 and 118,320.75
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Solution
The fourth proportional to 218,922.75, 302,113.44 and 118,320.75 is: 163,282.66
Step by Step Solution
- Step 1: Write the proportion equation
218,922.75 : 302,113.44 = 118,320.75 : x - Step 2: Convert to fraction form
218,922.75/302,113.44 = 118,320.75/x - Step 3: Cross multiply
218,922.75x = 302,113.44 × 118,320.75 - Step 4: Simplify right side
218,922.75x = 35,746,288,805.88 - Step 5: Solve for x
x = 35,746,288,805.88/218,922.75 - Step 6: Final answer
x = 163,282.66
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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.