Finding the Fourth Proportional to 755,821.13, 1,133,753.56 and 194,855.63
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Solution
The fourth proportional to 755,821.13, 1,133,753.56 and 194,855.63 is: 292,289.08
Step by Step Solution
- Step 1: Write the proportion equation
755,821.13 : 1,133,753.56 = 194,855.63 : x - Step 2: Convert to fraction form
755,821.13/1,133,753.56 = 194,855.63/x - Step 3: Cross multiply
755,821.13x = 1,133,753.56 × 194,855.63 - Step 4: Simplify right side
755,821.13x = 220,918,258,042.64 - Step 5: Solve for x
x = 220,918,258,042.64/755,821.13 - Step 6: Final answer
x = 292,289.08
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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.