Finding the Fourth Proportional to 201,992.70, 302,989.05 and 192,807.30
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Solution
The fourth proportional to 201,992.70, 302,989.05 and 192,807.30 is: 289,210.95
Step by Step Solution
- Step 1: Write the proportion equation
201,992.70 : 302,989.05 = 192,807.30 : x - Step 2: Convert to fraction form
201,992.70/302,989.05 = 192,807.30/x - Step 3: Cross multiply
201,992.70x = 302,989.05 × 192,807.30 - Step 4: Simplify right side
201,992.70x = 58,418,500,660.07 - Step 5: Solve for x
x = 58,418,500,660.07/201,992.70 - Step 6: Final answer
x = 289,210.95
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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.