Finding the Fourth Proportional to 189,063.66, 283,328.18 and 104,860.92
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Solution
The fourth proportional to 189,063.66, 283,328.18 and 104,860.92 is: 157,143.12
Step by Step Solution
- Step 1: Write the proportion equation
189,063.66 : 283,328.18 = 104,860.92 : x - Step 2: Convert to fraction form
189,063.66/283,328.18 = 104,860.92/x - Step 3: Cross multiply
189,063.66x = 283,328.18 × 104,860.92 - Step 4: Simplify right side
189,063.66x = 29,710,053,616.73 - Step 5: Solve for x
x = 29,710,053,616.73/189,063.66 - Step 6: Final answer
x = 157,143.12
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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.