Finding the Fourth Proportional to 562,215.68, 843,436.20 and 207,231.20
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Solution
The fourth proportional to 562,215.68, 843,436.20 and 207,231.20 is: 310,888.33
Step by Step Solution
- Step 1: Write the proportion equation
562,215.68 : 843,436.20 = 207,231.20 : x - Step 2: Convert to fraction form
562,215.68/843,436.20 = 207,231.20/x - Step 3: Cross multiply
562,215.68x = 843,436.20 × 207,231.20 - Step 4: Simplify right side
562,215.68x = 174,786,295,849.44 - Step 5: Solve for x
x = 174,786,295,849.44/562,215.68 - Step 6: Final answer
x = 310,888.33
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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.