Finding the Fourth Proportional to 199,816.27, 299,842.62 and 73,545.20
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Solution
The fourth proportional to 199,816.27, 299,842.62 and 73,545.20 is: 110,361.32
Step by Step Solution
- Step 1: Write the proportion equation
199,816.27 : 299,842.62 = 73,545.20 : x - Step 2: Convert to fraction form
199,816.27/299,842.62 = 73,545.20/x - Step 3: Cross multiply
199,816.27x = 299,842.62 × 73,545.20 - Step 4: Simplify right side
199,816.27x = 22,051,986,206.03 - Step 5: Solve for x
x = 22,051,986,206.03/199,816.27 - Step 6: Final answer
x = 110,361.32
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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.