Finding the Fourth Proportional to 298,739.91, 448,296.67 and 121,246.90
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Solution
The fourth proportional to 298,739.91, 448,296.67 and 121,246.90 is: 181,946.17
Step by Step Solution
- Step 1: Write the proportion equation
298,739.91 : 448,296.67 = 121,246.90 : x - Step 2: Convert to fraction form
298,739.91/448,296.67 = 121,246.90/x - Step 3: Cross multiply
298,739.91x = 448,296.67 × 121,246.90 - Step 4: Simplify right side
298,739.91x = 54,354,581,517.82 - Step 5: Solve for x
x = 54,354,581,517.82/298,739.91 - Step 6: Final answer
x = 181,946.17
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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.