Finding the Fourth Proportional to 791,145.96, 1,186,631.80 and 222,545.09
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Solution
The fourth proportional to 791,145.96, 1,186,631.80 and 222,545.09 is: 333,793.12
Step by Step Solution
- Step 1: Write the proportion equation
791,145.96 : 1,186,631.80 = 222,545.09 : x - Step 2: Convert to fraction form
791,145.96/1,186,631.80 = 222,545.09/x - Step 3: Cross multiply
791,145.96x = 1,186,631.80 × 222,545.09 - Step 4: Simplify right side
791,145.96x = 264,079,080,727.86 - Step 5: Solve for x
x = 264,079,080,727.86/791,145.96 - Step 6: Final answer
x = 333,793.12
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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.