Finding the Fourth Proportional to 298,595.95, 447,891.13 and 121,060.75
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Solution
The fourth proportional to 298,595.95, 447,891.13 and 121,060.75 is: 181,589.99
Step by Step Solution
- Step 1: Write the proportion equation
298,595.95 : 447,891.13 = 121,060.75 : x - Step 2: Convert to fraction form
298,595.95/447,891.13 = 121,060.75/x - Step 3: Cross multiply
298,595.95x = 447,891.13 × 121,060.75 - Step 4: Simplify right side
298,595.95x = 54,222,036,116.15 - Step 5: Solve for x
x = 54,222,036,116.15/298,595.95 - Step 6: Final answer
x = 181,589.99
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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.