Finding the Fourth Proportional to 823,631.99, 1,235,158.56 and 247,083.37
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Solution
The fourth proportional to 823,631.99, 1,235,158.56 and 247,083.37 is: 370,538.23
Step by Step Solution
- Step 1: Write the proportion equation
823,631.99 : 1,235,158.56 = 247,083.37 : x - Step 2: Convert to fraction form
823,631.99/1,235,158.56 = 247,083.37/x - Step 3: Cross multiply
823,631.99x = 1,235,158.56 × 247,083.37 - Step 4: Simplify right side
823,631.99x = 305,187,136,401.25 - Step 5: Solve for x
x = 305,187,136,401.25/823,631.99 - Step 6: Final answer
x = 370,538.23
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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.