Finding the Fourth Proportional to 216,759.68, 299,230.62 and 163,065.14
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Solution
The fourth proportional to 216,759.68, 299,230.62 and 163,065.14 is: 225,106.82
Step by Step Solution
- Step 1: Write the proportion equation
216,759.68 : 299,230.62 = 163,065.14 : x - Step 2: Convert to fraction form
216,759.68/299,230.62 = 163,065.14/x - Step 3: Cross multiply
216,759.68x = 299,230.62 × 163,065.14 - Step 4: Simplify right side
216,759.68x = 48,794,082,942.59 - Step 5: Solve for x
x = 48,794,082,942.59/216,759.68 - Step 6: Final answer
x = 225,106.82
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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.