Finding the Fourth Proportional to 289,052.20, 432,800.70 and 226,325.80
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Solution
The fourth proportional to 289,052.20, 432,800.70 and 226,325.80 is: 338,879.84
Step by Step Solution
- Step 1: Write the proportion equation
289,052.20 : 432,800.70 = 226,325.80 : x - Step 2: Convert to fraction form
289,052.20/432,800.70 = 226,325.80/x - Step 3: Cross multiply
289,052.20x = 432,800.70 × 226,325.80 - Step 4: Simplify right side
289,052.20x = 97,953,964,668.06 - Step 5: Solve for x
x = 97,953,964,668.06/289,052.20 - Step 6: Final answer
x = 338,879.84
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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.