Finding the Fourth Proportional to 511,799.69, 767,797.95 and 196,231.99
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Solution
The fourth proportional to 511,799.69, 767,797.95 and 196,231.99 is: 294,385.72
Step by Step Solution
- Step 1: Write the proportion equation
511,799.69 : 767,797.95 = 196,231.99 : x - Step 2: Convert to fraction form
511,799.69/767,797.95 = 196,231.99/x - Step 3: Cross multiply
511,799.69x = 767,797.95 × 196,231.99 - Step 4: Simplify right side
511,799.69x = 150,666,521,234.00 - Step 5: Solve for x
x = 150,666,521,234.00/511,799.69 - Step 6: Final answer
x = 294,385.72
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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.