Finding the Fourth Proportional to 498,221.91, 747,451.49 and 161,262.62
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Solution
The fourth proportional to 498,221.91, 747,451.49 and 161,262.62 is: 241,932.32
Step by Step Solution
- Step 1: Write the proportion equation
498,221.91 : 747,451.49 = 161,262.62 : x - Step 2: Convert to fraction form
498,221.91/747,451.49 = 161,262.62/x - Step 3: Cross multiply
498,221.91x = 747,451.49 × 161,262.62 - Step 4: Simplify right side
498,221.91x = 120,535,981,056.73 - Step 5: Solve for x
x = 120,535,981,056.73/498,221.91 - Step 6: Final answer
x = 241,932.32
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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.