Finding the Fourth Proportional to 192,890.84, 289,325.12 and 57,951.99
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Solution
The fourth proportional to 192,890.84, 289,325.12 and 57,951.99 is: 86,924.64
Step by Step Solution
- Step 1: Write the proportion equation
192,890.84 : 289,325.12 = 57,951.99 : x - Step 2: Convert to fraction form
192,890.84/289,325.12 = 57,951.99/x - Step 3: Cross multiply
192,890.84x = 289,325.12 × 57,951.99 - Step 4: Simplify right side
192,890.84x = 16,766,966,171.23 - Step 5: Solve for x
x = 16,766,966,171.23/192,890.84 - Step 6: Final answer
x = 86,924.64
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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.